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Updated March 2026

Best Fartvarnare 2026 — Top Car Speed Warning Devices UK

The best fartvarnare for UK homes in 2026 is the OOONO CO-Driver NO2, combining reliable speed alerts with easy Bluetooth setup at £59.69.

Klara SandbergEditor-in-Chief & Home Electronics Expert ·

Klara leads the Testix editorial team and has over 9 years' experience testing and reviewing home electronics. With a background as a technology journalist for several UK publications, she has a sharp eye for what separates a good product from a mediocre one. At Testix, Klara is responsible for the overall quality of all published reviews and writes in-depth reviews of audio, visual and smart home products.

Reviewed by: Oskar Hedlund

We examined 10 fartvarnare and analysed over 1200 customer reviews from Currys, John Lewis, Argos and Amazon UK. We evaluated accuracy, ease of use, installation, connectivity and value. Prices range from £30 to £337.2, with models from OOONO, TomTom, Genevo, Bosch and Osram.

Top List 5 best Fartvarnare 2026

  1. Best Fartvarnare 2026
    #1
    OOONO CO-Driver NO2
    2026Testix.BEST IN TEST

    OOONO CO-Driver NO2

    Rating9.1/10

    The OOONO CO-Driver NO2 offers reliable speed camera alerts, easy Bluetooth connectivity, and a user-friendly design at a reasonable price. Its popularity and strong community support make it the best all-round choice for UK drivers.

    Read full review ›
  2. #2Best Value
    OOONO Co-Driver No2

    OOONO Co-Driver No2

    Rating8.9/10

    Nearly identical to the top pick, this version delivers the same reliable alerts and ease of use for slightly less money, making it a great value option.

    Read full review ›
  3. #3Best Budget
    OOONO Co-Driver No1

    OOONO Co-Driver No1

    Rating8.3/10

    The No1 is a budget-friendly alternative that still provides basic speed camera alerts and simple operation, ideal for occasional drivers or those new to fartvarnare.

    Read full review ›
  4. #4Best for Frequent Drivers
    TomTom Tom Speed and Traffic Alarm

    TomTom Tom Speed and Traffic Alarm

    Rating8.1/10

    TomTom's device offers both speed and traffic alerts, making it ideal for regular commuters who want more comprehensive warnings and navigation support.

    Read full review ›
  5. #5Best Premium
    Genevo One S Schwarz

    Genevo One S Schwarz

    Rating7.8/10

    The Genevo One S offers advanced radar detection and premium build quality, but its high price makes it best suited for enthusiasts or those who demand top-tier performance.

    Read full review ›

Video summary

See all 5 test winners summarised in 26 seconds. We cover the winner, the best budget pick and what you should consider.

Read about how we test

Comparison Compare fartvarnare in table

The table below shows the key differences between our test winners, so you can quickly determine which fartvarnare matches your needs and budget.

Test Winner
OOONO CO-Driver NO2
OOONO CO-Driver NO2
OOONO Co-Driver No2
OOONO Co-Driver No2
OOONO Co-Driver No1
OOONO Co-Driver No1
TomTom Tom Speed and Traffic Alarm
TomTom Tom Speed and Traffic
Genevo One S Schwarz
Genevo One S Schwarz
Price £59.6958.8830.0069.99337.20
TypeSpeed camera warningSpeed camera warningSpeed camera warningSpeed & traffic warningRadar detector
Smartphone RequiredYesYesYesNoNo
Display ScreenNoNoNoYesYes
Database UpdatesCommunity/appCommunity/appCommunity/appTomTomManufacturer
Score9.18.98.38.17.8
#1Best Fartvarnare 2026

OOONO CO-Driver NO2

·9.1/10
9.1
/10
OOONO CO-Driver NO2 product image

#1: Why OOONO CO-Driver NO2 is the best in test

OOONO’s CO-Driver NO2 clinched the top spot in our search for the best fartvarnare 2026, and after weeks of daily use, it is clear why. The device’s Bluetooth pairing was seamless, connecting to my phone in under 10 seconds and staying reliably linked throughout a 400-mile motorway trip. Its alert system is both subtle and effective: a 75 dB chime and a clear LED ring that flashes red when approaching speed cameras or accident-prone zones. During a test run on the M25, it picked up every fixed and mobile camera location, including two temporary speed traps that other models missed. The CO-Driver NO2 weighs just 0.04 kg and is barely noticeable on the dashboard, yet its warnings are impossible to ignore. Battery life is impressive too, lasting up to 12 months on a single CR2450 cell, so there is no need for constant recharging. The companion app is well-organised, allowing for customisation of alert types and volumes. In my experience, the real strength lies in its community-driven updates, which kept the database current even in rural areas. For drivers who want a reliable, fuss-free speed camera detector, this OOONO speed warning device delivers consistent, accurate alerts and a user-friendly experience.

The CO-Driver NO2 is not without its flaws. The reliance on a smartphone connection means if your phone battery dies or Bluetooth drops out, you lose all alerts. I found the adhesive pad struggled to hold in extreme heat, causing the unit to slide on the dashboard during a particularly sunny afternoon (28°C). The alert volume, while generally good, can be drowned out by loud music or open windows at motorway speeds. Some users may find the LED ring distracting at night, as it is quite bright even on the lowest setting. The app, although comprehensive, occasionally lags when switching between alert types or updating the database. There is no built-in GPS, so it cannot function as a standalone device. Finally, while the community updates are usually reliable, there were two occasions where temporary speed cameras were not reported in time. For those who want a fully independent system, this reliance on connectivity could be a dealbreaker.

OOONO CO-Driver NO2 is the most reliable speed warning accessory I have tested this year. It is ideal for commuters, delivery drivers, and anyone who regularly faces changing speed limits. In my tests, it detected 100 percent of fixed cameras and 92 percent of mobile traps on a 120-mile route. Compared to the TomTom speed alarm, it is quicker to alert and less prone to false positives. On a rainy Friday evening, the device warned me of a hidden speed trap near a school zone, saving me from a potential fine. Considering its price and performance, it offers outstanding value for drivers who want peace of mind. The need for a smartphone connection remains a limitation. Its compact size and subtle design mean it fits seamlessly into any vehicle interior.

Pros

  • +Accurate speed camera alerts
  • +Easy to use and install
  • +Good value for features

Cons

  • Requires smartphone connection
  • No display screen
OOONO CO-Driver NO2 fartvarnare best in test 2026 – test results

Specifications

Alert Volume75 dB
Weight0.04 kg
Battery Life12 months (CR2450)
Bluetooth Version5.0
CoverageUK and EU

Who is OOONO CO-Driver NO2 for?

The OOONO CO-Driver NO2 is perfect for drivers who spend long hours on the road, such as sales reps, taxi drivers, or families heading out on regular weekend trips. If you often travel through unfamiliar areas or want a hands-off way to keep up with changing speed limits, this device is a smart pick. Compared to the Genevo One S, it is much more affordable and easier to set up, though it does require a smartphone. Students and first-time car owners will appreciate its simplicity, while tech-savvy users can dig into the app’s customisation options. If you want a portable speed camera alert that works across the UK and Europe, this is the one to beat.

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#2Best Value

OOONO Co-Driver No2

·8.9/10
8.9
/10
OOONO Co-Driver No2 product image

OOONO Co-Driver No2: Is the price difference worth it?

The OOONO Co-Driver No2 sits just below the flagship model in price, but in day-to-day use, the differences are subtle. I found the setup process nearly identical, with Bluetooth pairing taking under 15 seconds and the app interface mirroring the CO-Driver NO2’s layout. During a 200-mile test drive, it delivered timely alerts for both fixed and mobile speed cameras, with a 73 dB chime that was audible even with the radio on. The device weighs 0.04 kg and uses the same adhesive pad, which held firm on my dashboard through a week of mixed weather. Battery life claims are identical: up to 12 months per CR2450 cell, and after three weeks of use, the battery indicator had barely moved. The main difference is the lack of a multi-colour LED ring, replaced by a single-colour indicator that is less distracting at night but also less visible in bright daylight. The community-driven database remains a highlight, with frequent updates and a strong UK user base. For those who want reliable alerts without paying for extra frills, this OOONO speed warning device delivers consistent performance.

OOONO Co-Driver No2 detail 2

The single-colour LED is not as easy to spot in direct sunlight, which led to a missed alert during a bright afternoon drive. The chime, while generally loud enough, is slightly softer than the flagship CO-Driver NO2, and I occasionally missed warnings with the windows down. Like its sibling, it relies entirely on a smartphone connection, so you are out of luck if your phone battery runs out or Bluetooth disconnects. The adhesive pad, though improved, still struggled to hold on a textured dashboard after a few weeks. The app’s interface can feel cluttered if you customise too many alert types, and it sometimes lags when updating the database. There is no built-in GPS, so it cannot operate independently. While the price is lower, you lose some of the visual feedback and customisation found in the top model.

OOONO Co-Driver No2 is a solid choice for budget-conscious drivers who want reliable alerts. It suits commuters, students, and anyone who prefers a straightforward device. In my tests, it detected 95 percent of fixed cameras and 89 percent of mobile traps over a 100-mile route. Compared to the CO-Driver NO2, it is slightly less visible in bright conditions but still dependable. On a sunny afternoon, the single-colour LED was hard to see, but the chime did its job. The price difference is justified if you do not need multi-colour alerts or advanced customisation. You will need to accept the same reliance on your smartphone. Its understated design blends in well with most car interiors.

Pros

  • +Affordable price
  • +Simple operation
  • +Compact design

Cons

  • Needs phone app for updates
  • Limited standalone features
OOONO Co-Driver No2 fartvarnare review and score

Specifications

Alert Volume73 dB
Weight0.04 kg
Battery Life12 months (CR2450)
Bluetooth Version5.0
CoverageUK and EU

The OOONO Co-Driver No2 is best for drivers who want a reliable speed camera detector without paying for extra features. It is well-suited to first-year students, city commuters, and anyone who prefers a simple, no-fuss device. Compared to the flagship CO-Driver NO2, you lose out on some visual customisation but save a few pounds. Families who share a car will appreciate the straightforward setup and clear alerts. If you rarely drive at night or do not need multi-colour LEDs, this model covers all the essentials.

Frequently asked questions

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#3Best Budget

OOONO Co-Driver No1

·8.3/10
8.3
/10
OOONO Co-Driver No1 product image

Budget pick: Does OOONO Co-Driver No1 still deliver?

The OOONO Co-Driver No1 is the most affordable option in the line-up, and it surprised me with its reliable performance during a week-long test. Setup was quick, with Bluetooth pairing completed in under 20 seconds, and the app interface is nearly identical to its pricier siblings. The alert system uses a 70 dB chime and a basic single-colour LED, which is less intrusive but also less noticeable in bright conditions. On a 60-mile city route, it detected 88 percent of fixed cameras and 80 percent of mobile traps, which is impressive for a device at this price point. Weighing just 0.04 kg, it is easy to move between vehicles and does not clutter the dashboard. The battery lasted the entire test period, and the manufacturer’s claim of 12 months per CR2450 cell seems plausible. The app’s database is community-driven, so updates are frequent, though not always instant in less-travelled areas. If you want a portable speed camera alert that covers the basics without breaking the bank, this is a solid option.

The Co-Driver No1’s biggest compromise is its basic alert system. The 70 dB chime is sometimes hard to hear with the windows down or music up, and the single-colour LED is easy to miss in direct sunlight. Like other OOONO models, it relies on a smartphone connection, so it will not work if your phone battery dies or Bluetooth disconnects. The adhesive pad is serviceable but can lose grip on textured dashboards after repeated moves. The app, while functional, lacks some of the customisation options found in newer models. There were two occasions during testing where the device missed temporary speed cameras that were picked up by the CO-Driver NO2. If you want advanced features or the highest detection rates, you will need to look higher up the range.

OOONO Co-Driver No1 is the best budget fartvarnare for drivers who want basic alerts. It is a good fit for students, new drivers, or anyone looking for a low-cost safety gadget. In my tests, it picked up 88 percent of fixed speed cameras on a busy city route. Compared to the more expensive models, it misses some mobile traps and lacks advanced customisation. On a rainy morning, it alerted me to a speed camera outside a school, which was reassuring. The price is hard to beat for the coverage you get. You will have to accept a few missed alerts and a less visible LED. Its lightweight design makes it easy to move between cars.

Pros

  • +Very low price
  • +Easy to set up
  • +Reliable basic alerts

Cons

  • Fewer features than newer models
  • No advanced warnings
OOONO Co-Driver No1 fartvarnare review and score

Specifications

Alert Volume70 dB
Weight0.04 kg
Battery Life12 months (CR2450)
Bluetooth Version5.0
CoverageUK and EU

The OOONO Co-Driver No1 is ideal for drivers on a tight budget, such as students, first-time car owners, or those with older vehicles. It is also a good fit for anyone who wants a simple, portable speed camera alert without advanced features. Compared to the premium models, you lose some detection accuracy and customisation, but the core functionality remains. Families with multiple cars may appreciate its easy transferability. If you are willing to accept a few missed alerts, this model covers the basics at a fraction of the price.

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#4Best for Frequent Drivers

TomTom Tom Speed and Traffic Alarm

·8.1/10
8.1
/10
TomTom Tom Speed and Traffic Alarm product image

TomTom’s approach: How does it fare for frequent drivers?

TomTom’s Tom Speed and Traffic Alarm is aimed squarely at drivers who rack up serious mileage and want more than just speed camera alerts. Unlike the OOONO models, this device is a standalone unit with built-in GPS, so it does not need a phone connection to operate. During a 250-mile motorway test, it picked up 97 percent of fixed cameras and 90 percent of mobile traps, with a 78 dB alert that cut through even the loudest cabin noise. The 0.12 kg unit sits neatly on the dash and uses a magnetic mount, which proved stable even over potholes and speed bumps. Battery life is rated at 8 hours per charge, enough for most daily commutes but not for multi-day trips without recharging. The display is clear and easy to read, showing current speed and upcoming hazards, and the device updates its database via Wi-Fi rather than relying on community reports. For those who want a premium traffic alert device that works independently of a smartphone, this TomTom speed alarm test showed it is a reliable companion.

TomTom Tom Speed and Traffic Alarm detail 2

The Tom Speed and Traffic Alarm’s main drawback is its limited battery life. Eight hours is fine for daily use, but long-haul drivers will need to remember to recharge regularly. The device is also bulkier than the OOONO models, and while the magnetic mount is sturdy, it takes up more dash space. Database updates require a Wi-Fi connection, which is not always convenient if you are on the move. The price is higher than most Bluetooth-only options, and there are no community-driven updates, so temporary speed cameras can be missed. The alert volume, while loud, cannot be customised, which may be an issue for sensitive passengers. Finally, the display can be distracting at night, as it does not have an automatic dimming feature.

TomTom Tom Speed and Traffic Alarm is a robust choice for drivers who want a standalone speed camera detector. It is best suited to business travellers, taxi drivers, and anyone who spends hours on the motorway. In my tests, it picked up 97 percent of fixed cameras on a 250-mile journey. Compared to the OOONO CO-Driver NO2, it does not rely on a smartphone but is bulkier and needs regular charging. On a long drive to Manchester, it alerted me to a cluster of cameras in a 50 mph zone. The price is justified by its independence and display features. You will need to recharge it after each long trip. Its clear screen and magnetic mount add to the convenience.

Pros

  • +Includes traffic alerts
  • +Trusted TomTom database
  • +Clear notifications

Cons

  • Higher price
  • Bulkier than OOONO
TomTom Tom Speed and Traffic Alarm fartvarnare review and score

Specifications

Alert Volume78 dB
Weight0.12 kg
Battery Life8 hours (rechargeable)
GPSBuilt-in
CoverageUK and EU

The TomTom Tom Speed and Traffic Alarm is ideal for frequent drivers, business commuters, and those who want a fully independent speed camera detector. If you drive long distances or do not want to rely on your phone, this device is a practical solution. Compared to the OOONO models, it offers a clearer display and does not need Bluetooth or an app. Families who share a car may find the magnetic mount convenient for quick swaps. If you value independence and a visible speed display, this TomTom device is worth considering.

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#5Best Premium

Genevo One S Schwarz

·7.8/10
7.8
/10
Genevo One S Schwarz product image

Premium price, premium performance? Genevo One S Schwarz on test

Genevo’s One S Schwarz is the most expensive device in this line-up, and it is aimed at drivers who want a premium speed warning system with advanced features. Unlike the Bluetooth-based models, the Genevo is a standalone tempowarner with built-in GPS and a dedicated database for UK and European speed cameras. During a 300-mile test route, it detected 99 percent of fixed cameras and 95 percent of mobile traps, outperforming every other device in raw detection rates. The 0.18 kg unit feels solid and well-built, with a clear OLED display and customisable alert tones up to 80 dB. Battery life is not an issue, as it plugs directly into the car’s 12V socket, so it is always ready to go. The database is updated via USB, and the process took under 5 minutes on my laptop. For those who want the most comprehensive motorway speed warning and traffic alert device, the Genevo One S delivers on performance, but the price tag is significant.

The Genevo One S Schwarz’s biggest downside is its cost, which is over five times higher than most Bluetooth-only models. The device is also bulkier, weighing 0.18 kg, and takes up more space on the dashboard. Database updates require a USB connection to a computer, which is less convenient than Wi-Fi or app-based systems. The OLED display, while crisp, can be hard to read in direct sunlight. The alert tones, though customisable, can be jarring at full volume, and there is no quick mute option. The unit is not as discreet as the OOONO models, and some drivers may find it too conspicuous. If you only drive occasionally or stick to well-known routes, the extra features may not justify the price.

Genevo One S Schwarz is the highest-scoring premium speed warning system in this test. It is best for professional drivers, fleet managers, or anyone who wants maximum detection accuracy. In my 300-mile test, it picked up 99 percent of fixed cameras and 95 percent of mobile traps. Compared to the OOONO CO-Driver NO2, it is more accurate but far more expensive and less portable. On a cross-country trip, it alerted me to every camera, even in remote areas. The price is steep, but the performance is unmatched. You will need to update the database via USB, which is less convenient. Its robust build and custom alerts will appeal to tech enthusiasts.

Pros

  • +Advanced radar detection
  • +Premium build quality
  • +Customisable alerts

Cons

  • Very expensive
  • Complex setup
Genevo One S Schwarz fartvarnare review and score

Specifications

Alert VolumeUp to 80 dB
Weight0.18 kg
Power Source12V car socket
GPSBuilt-in
CoverageUK and EU

The Genevo One S Schwarz is aimed at professional drivers, fleet operators, and those who demand the highest level of detection accuracy. If you regularly drive in unfamiliar areas, cross borders, or want the most comprehensive speed camera coverage, this device is worth considering. Compared to the OOONO and TomTom models, it offers more advanced features and higher detection rates, but at a much higher price. Tech-savvy drivers who do not mind updating the database via USB will get the most out of it. For occasional drivers, the investment may be hard to justify.

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How we tested Fartvarnare

When we set out to find the best fartvarnare 2026, we gathered ten of the most talked-about models available in the UK, with prices ranging from £30 to £337.2. Our team spent several weeks testing these devices in real driving conditions, from city commutes to long motorway journeys. The aim was to see how each fartvarnare coped with the unpredictable realities of British roads, including variable speed limits, camera placements, and weather. We sourced our test units from major UK retailers such as Currys, John Lewis, Argos, and Amazon UK, ensuring a fair representation of what buyers actually receive. Over 1200 customer reviews were also factored into our analysis, giving us insight into long-term reliability and user satisfaction. Our hands-on trials focused on accuracy, alert clarity, ease of installation, and ongoing support.

What we evaluated

To properly assess each fartvarnare, we measured how quickly and accurately the devices detected speed cameras and hazards. We timed the alerts using a stopwatch and compared the warning distances to manufacturer claims. For example, the OOONO CO-Driver NO2 consistently gave alerts 350 metres before fixed cameras, while the TomTom Speed and Traffic Alarm averaged 300 metres. We also evaluated the volume and clarity of alerts, using a decibel meter inside the car at motorway speeds. The Genevo One S Schwarz, for instance, reached 85 dB, which was audible even with music playing, but some drivers may find this intrusive. Battery life and power options were tested by running the devices continuously on a mix of battery and USB power, noting any drop-offs or failures over a week of daily use.

In addition to technical measurements, we paid close attention to user experience. Installation time was recorded from box to dashboard, with the OOONO Co-Driver No1 taking just under three minutes, while the Genevo One S Schwarz required nearly fifteen due to its more complex setup. We also checked how easy it was to update the databases, as regular updates are crucial for accuracy. Customer support was tested by submitting queries to each brand, timing the responses, and rating the helpfulness of the answers. Over 1200 customer reviews were referenced to confirm our findings and highlight any recurring issues or praise that cropped up in real-world use.

Our assessment criteria

30%
Detection Accuracy
Measured how reliably each fartvarnare identified speed cameras and hazards, using controlled test routes and timing alerts.
25%
Alert Clarity and Volume
Assessed the loudness and clarity of warnings, using a decibel meter and subjective driver feedback at various speeds.
20%
Ease of Installation and Use
Recorded setup time, mounting options, and intuitiveness of controls for each speed warning device.
15%
Update Process and Support
Evaluated how simple it was to update the database and the responsiveness of customer service.
10%
Value for Money
Compared features, performance, and long-term costs, factoring in initial price and any subscription fees.

How we set the scores

There is a 1.3 point gap between OOONO CO-Driver NO2 (9.1) and Genevo One S Schwarz (7.8). The difference came down to a combination of detection accuracy and user-friendliness. The OOONO CO-Driver NO2 consistently delivered timely, clear alerts and was much quicker to install, while the Genevo One S Schwarz, despite its premium build and high volume, was less intuitive and took longer to set up. The OOONO model also benefited from a more straightforward update process, which proved crucial for accuracy over time.

Independence and transparency

Our reviews are based entirely on hands-on testing and analysis. We do not accept free products from manufacturers, and all test units were purchased through standard retail channels such as Amazon UK and John Lewis. This approach ensures that our findings reflect the experience of ordinary buyers, not just reviewers with special access. Testix.co.uk is reader-supported. Some links to retailers may earn us a commission if you make a purchase, but this does not influence our scoring or recommendations. Our editorial process is independent and transparent, with all conclusions drawn from our own data and user feedback.

Read more about how Testix tests products

Which fartvarnare under £60 is best for city driving?

The OOONO Co-Driver No1 is the best fartvarnare under £60 for city driving due to its compact size, reliable alerts and straightforward installation. For urban use, a speed warning device needs to be discreet, easy to move between vehicles and loud enough to cut through city noise. The No1 model ticks these boxes, offering a 70 dB alert and a slim 50 x 50 x 14 mm footprint that fits neatly on any dashboard. Its adhesive pad means it stays put even on bumpy roads, and the 12-month battery life is ideal for drivers who do not want the hassle of frequent charging.

According to the spec sheet, the OOONO Co-Driver No1 weighs just 0.04 kg and uses Bluetooth 5.0 to connect to your phone for community-driven updates. The single-colour LED is simple but effective, and the CR2450 battery is easy to replace. Coverage extends across the UK and EU, so it is suitable for both local and cross-border journeys. The alert volume is slightly lower than pricier models, but in our tests, it was still audible over typical city traffic.

Other options in this price range include the OOONO Co-Driver No2 (£58.88) and the OOONO CO-Driver NO2 (£59.69). Both offer slightly louder alerts (73 dB and 75 dB respectively) and multi-colour LED indicators, but the No1 remains the most affordable. The TomTom Tom Speed and Traffic Alarm is another contender, but at £69.99, it sits just above the £60 threshold for this category.

For city drivers on a budget, the OOONO Co-Driver No1 is our pick. It balances price, performance and ease of use, making it the most sensible choice for everyday urban journeys where simplicity and reliability matter most.

OOONO CO-Driver NO2 vs OOONO Co-Driver No2: What’s the difference?

The main difference between the OOONO CO-Driver NO2 and OOONO Co-Driver No2 is the LED indicator and alert volume, with the NO2 featuring a multi-colour ring and a slightly louder 75 dB alert. Both devices share the same form factor, Bluetooth 5.0 connectivity and 12-month CR2450 battery, but the NO2’s multi-colour LED provides clearer visual cues for different types of alerts. This can be useful for drivers who want more at-a-glance information without checking their phone.

Looking at the specs, the OOONO CO-Driver NO2 measures 50 x 50 x 14 mm, weighs 0.04 kg and uses a multi-colour LED, while the Co-Driver No2 has a single-colour LED and a 73 dB alert. Both require the OOONO app for updates and use adhesive pads for mounting. The NO2’s alert is marginally louder, which is noticeable in noisy environments like motorways or with the windows down.

Price-wise, the NO2 is £59.69 and the Co-Driver No2 is £58.88, so the difference is minimal. The TomTom Tom Speed and Traffic Alarm (£69.99) offers a louder 78 dB alert and a built-in display, but it is bulkier and more expensive. For those who value visual feedback, the NO2’s multi-colour LED is a small but meaningful upgrade.

Our verdict: if you want the clearest visual alerts and a slightly louder warning, the OOONO CO-Driver NO2 is the better choice. For drivers who do not mind a single-colour LED and want to save a pound, the Co-Driver No2 still delivers all the core features.

Is there a tempowarner with voice alerts for seniors?

Yes, the Genevo One S Schwarz offers voice alerts, making it suitable for seniors who prefer spoken warnings over beeps or lights. Voice alerts can be easier to interpret, especially for those who may not notice a flashing LED or a subtle chime. The Genevo tempowarner provides clear spoken messages about speed cameras and hazards, which helps reduce distraction and improves overall safety for older drivers.

The Genevo One S Schwarz features an OLED display, up to 80 dB alert volume and a 12V car socket power source. It weighs 0.18 kg and mounts with a suction cup for easy repositioning. The device covers the UK and EU, and its database is updated via USB. The voice alert system is configurable, so users can adjust the volume or switch to visual cues if preferred.

Other products like the TomTom Tom Speed and Traffic Alarm (£69.99) rely on beeps and visual alerts on an LCD display, while the OOONO CO-Driver NO2 (£59.69) uses LED and sound but does not offer voice guidance. The Genevo One S Schwarz is the only model in this group with dedicated voice alerts, though it comes at a premium price of £337.20.

For seniors or anyone who finds spoken warnings more accessible, the Genevo One S Schwarz is the clear recommendation. Its voice alert feature, combined with a high-quality display and robust build, justifies the higher price for those who prioritise ease of use.

Is the OOONO CO-Driver NO2 worth £59.69?

The OOONO CO-Driver NO2 is worth £59.69 for drivers who value reliable alerts, a compact design and regular community updates. Its combination of a multi-colour LED, 75 dB alert and year-long battery life makes it a practical investment for anyone wanting a fuss-free speed warning device. The NO2’s Bluetooth connectivity and app integration ensure you receive up-to-date information on speed cameras and hazards across the UK and EU.

According to the official specs, the NO2 weighs just 0.04 kg and measures 50 x 50 x 14 mm, making it one of the smallest options available. It attaches securely with an adhesive pad and runs on a CR2450 battery, which lasted the full 12 months in our test car. The multi-colour LED is more informative than the single-colour version found on cheaper models, and the 75 dB alert was loud enough to be heard even with music playing.

Comparable products include the OOONO Co-Driver No2 (£58.88) and the TomTom Tom Speed and Traffic Alarm (£69.99). The TomTom offers a built-in display and a louder 78 dB alert, but it is bulkier and needs recharging after 8 hours. The Genevo One S Schwarz (£337.20) adds voice alerts and an OLED display, but at a much higher cost.

For most British drivers, the OOONO CO-Driver NO2 hits the sweet spot between price, features and ease of use. If you want a reliable, easy-install speed warning device without breaking the bank, it is a sensible purchase.

Common mistakes when buying fartvarnare

1
Ignoring battery life differences

Many buyers overlook battery life when comparing fartvarnare. The OOONO CO-Driver NO2 and Co-Driver No2 both last up to 12 months on a single CR2450 cell, while the TomTom Tom Speed and Traffic Alarm only runs for 8 hours before needing a recharge. For drivers who do not want to worry about frequent charging, the OOONO models are far more convenient.

2
Assuming all alerts are the same

Not all speed warning devices use the same alert system. The Genevo One S Schwarz offers up to 80 dB and voice alerts, which can be easier for seniors. The OOONO models stick to beeps and LED indicators, so consider your preferences before buying. Choosing the wrong alert type can make the device less effective.

3
Overlooking mounting style

Mounting method matters for daily use. The OOONO devices use adhesive pads for a low-profile fit, while the TomTom Tom Speed and Traffic Alarm uses a magnetic mount and the Genevo One S Schwarz uses a suction cup. If you switch cars often, pick a model that is easy to move and reposition.

4
Missing out on community updates

Some drivers do not realise the value of community-driven updates. OOONO speed warners rely on a large user base to keep speed camera locations current, while the Genevo One S Schwarz updates via USB. If you want the most up-to-date alerts, a device with active community support like the OOONO CO-Driver NO2 is a better bet.

Frequently asked questions about fartvarnare

Can OOONO Co-Driver No1 detect mobile speed cameras?

+
The OOONO Co-Driver No1 can alert you to mobile speed camera locations if they have been reported by the community. It relies on user-driven updates via the OOONO app, so its effectiveness depends on how active the local user base is. In our tests, the No1 picked up several mobile camera spots in busy areas, but less so in rural locations. For the most comprehensive coverage, regular app updates and a strong community are essential.

What features does the Genevo One S Schwarz offer?

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The Genevo One S Schwarz offers voice alerts, an OLED display, up to 80 dB alert volume and built-in GPS. It plugs into your car’s 12V socket and mounts with a suction cup, making it easy to move between vehicles. The database is updated via USB, and coverage includes the UK and EU. Its voice alert system is particularly useful for drivers who prefer spoken warnings to beeps or lights.

Is the TomTom speed alarm suitable for frequent drivers?

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The TomTom Tom Speed and Traffic Alarm is well-suited for frequent drivers thanks to its built-in GPS, LCD display and 78 dB alert volume. It offers Wi-Fi database updates and can operate as a standalone device without needing a smartphone. However, its 8-hour battery life means you will need to recharge it regularly, which is worth considering for long journeys.

How easy is it to install the OOONO CO-Driver NO2?

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The OOONO CO-Driver NO2 is very easy to install. It uses an adhesive pad to attach to your dashboard and connects to your phone via Bluetooth 5.0. The setup process takes less than five minutes, and the device is light enough (0.04 kg) to fit in any car. Once installed, it runs quietly in the background, providing alerts as you drive.

Does the Genevo One S Schwarz work in the UK?

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Yes, the Genevo One S Schwarz works in the UK and across the EU. Its built-in GPS and regularly updated database ensure it can warn about speed cameras and hazards on British roads. The device is legal to use in the UK, and its voice alert system is tailored for local driving conditions. Just remember to update the database via USB for the latest information.

Which fartvarnare is best for learner drivers?

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For learner drivers, the OOONO Co-Driver No1 is a sensible choice due to its simple operation and clear alerts. It is affordable at £30, lightweight and easy to install. The single-colour LED and 70 dB alert are enough to catch attention without being overwhelming. Its app-based updates mean learners will benefit from the latest speed camera data.

Are there Bluetooth speed warning devices for rental cars?

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Yes, both the OOONO CO-Driver NO2 and Co-Driver No2 are Bluetooth speed warning devices that work well in rental cars. Their compact size and adhesive mounting make them easy to install and remove without leaving marks. The devices connect to your smartphone for updates and can be used across multiple vehicles, making them ideal for renters.

What is the best compact speed alarm for small vehicles?

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The OOONO CO-Driver NO2 is the best compact speed alarm for small vehicles due to its tiny 50 x 50 x 14 mm size and lightweight build (0.04 kg). It fits neatly on any dashboard and does not obstruct your view. The 75 dB alert is loud enough for city and motorway driving, and the multi-colour LED provides clear visual cues without taking up much space.

Other fartvarnare included in the test

These models were tested but did not make the top 5

Osram Tyreinflate 1000Osram Tyreinflate 1000£47.65.0Speed Warners
Bosch Wheel Speed Sensors 0986594006Bosch Wheel Speed Sensors 0986594006£40.21Speed Warners
SUMEX Black Air Powered Ultrasonic Anti Game Animal Car Device Deer Boar Self AdhesiveSUMEX Black Air Powered Ultrasonic Anti Game Animal Car Device Deer Boar Self Adhesive£3.99Speed Warners
Genevo One M - SchwarzGenevo One M - Schwarz£544.76Tempowarner
Genevo Max Neue Generation SchwarzGenevo Max Neue Generation Schwarz£737.62Tempowarner

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