The COOSPO TR70 Smart Radar Tail Light offers Garmin Varia-like radar functionality at a significantly lower price, with good battery life and brightness, but has notable accuracy issues including false positives and detection limitations compared to established competitors.
Pros
- Excellent battery life (up to 30 hours claimed, 19.5+ hours tested)
- High brightness comparable to Garmin Varia
- Accurate approaching speed reporting and multiple vehicle detection
- Seven customizable lighting modes with brake light function
Cons
- Gives about 3 false positives per hour of riding
- Signal sometimes reflects from opposite-direction cars or traffic signs
- Maximum detection speed misses faster cars
- Multiple beeps can become annoying and cause users to ignore alerts
Key Facts
- Weight 64-68g
- USB-C charging with 2-hour full charge time
- IP67/IPX7 waterproof rating (immersion up to 1 meter)
Reviews & Ratings
The reviewer describes the COOSPO TR70 radar tail light as a budget-friendly unit that enhances safety by alerting cyclists to approaching cars from behind. It pairs with the CS600 cycling computer to display radar information on the screen. The light has multiple flashing modes, is bright, and uses a Garmin mount for easy attachment. The reviewer notes that once used, it becomes indispensable.
AI Summary
Pros
- Adds extra safety by alerting to cars from behind
- Multiple flashing modes (5-6)
- Bright light
more pros in the video
Cons
- Occasional false positives on trails or random sections
- Minor delay in the radar icon disappearing after a car passes
Key Points
- Has approximately 5-6 flashing modes
- Uses Garmin mount
- Compatible with Coospo Ride app for pattern settings
more key points in the video
The reviewer states that the COOSPO TR70 Smart Radar Tail Light works as well as the Garmin Varia radar, despite negative reviews of earlier versions. They emphasize that after firmware updates, it provides accurate vehicle detection without false positives/negatives, has excellent battery life, multiple lighting modes, smart safety features, and is significantly cheaper than comparable units.
AI Summary
Pros
- Works as accurately as Garmin Varia radar after firmware updates
- No false positives or negatives experienced during testing
- Excellent battery life (up to 30 hours with radar on)
more pros in the video
Cons
- Can be 'chirpy' with multiple beeps (beeps when vehicle detected and again when about to overtake)
- Smart features like brake light and increased flashing may irritate some users
- Works best on straight roads (limited by line-of-sight on twisty roads)
more cons in the video
Key Points
- Model: COOSPO TR70 Smart Radar Tail Light
- Price: €77 (with possible 10% discount)
- Detection range: ~140 meters
more key points in the video
cyclistshub.com
The reviewer tested the Coospo TR70 Smart Radar Tail Light and found it to be a cheap Chinese radar with good battery life and brightness, but with significant accuracy issues including about 3 false positives per hour. They note it doesn't match the reliability of established brands like Garmin Varia.
AI Summary
Pros
- Excellent battery life (lasted about 19.5 hours in day flash mode)
- High brightness (comparable or slightly higher than Garmin Varia RTL515)
- Good side visibility
more pros in the blog post
Cons
- Gives about 3 false positives per hour of riding
- Signal sometimes reflects from cars driving opposite direction or traffic signs
- Accuracy lags behind established Varia radars
more cons in the blog post
Key Points
- Dimensions: 96×39×23 mm
- Weight: 64g
- Claimed battery life: up to 30 hours (day flash)
more key points in the blog post
Where to Buy
COOSPO TR70 Radar-Rücklicht, intelligentes Fahrrad-Rücklicht, Bremswarnung, IP67, wasserdicht, Radfahren, Rücklicht, 7 Lichtmodi, Rücklicht - AliExpress 18
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