Cateye ReflexAuto Tail Light
Best automatic safety light for commuters seeking reliable, battery-powered visibility.
This set-and-forget taillight eliminates the hassle of remembering to switch your safety gear on or off. While you trade the convenience of USB charging for standard batteries, you gain a brilliant, motion-sensing beacon that ensures you are visible from every angle without ever lifting a finger.
$19.95
at
Cateye
Who it's for
- Commuters prioritizing safety even when batteries fail
- Riders wanting a set-it-and-forget-it lighting solution
- Cyclists needing quick, tool-free mounting across multiple bikes
Who should skip it
- Eco-conscious riders preferring sustainable, rechargeable batteries
- Daytime commuters needing high-visibility, high-lumen output
- Precision-focused users wanting consistent, reliable sensor activation
Performance breakdown
Visibility Range
OptiCube lens technology ensures you are seen from over 180 degrees.
Automation Reliability
Smart sensors handle on-off switching seamlessly once darkness and motion align.
Battery Convenience
Standard AAA batteries eliminate the hassle of proprietary charging cables.
Runtime Efficiency
Long-life mode delivers an impressive 120 hours of continuous illumination.
Mounting Versatility
Included bracket covers standard seatposts, though rack mounting requires extra parts.
Safety Compliance
Built-in reflectors meet rigorous international standards for road safety.
Key Specs
Dimension
81.4 x 44.3 x 30.3 mm
Light source
Red LED x5
Battery
AAA alkaline battery x2
Mount size
φ21.5～31.8 mm
Water resistant
IPX4
Still have a question?
Ask Metto anything about the Cateye ReflexAuto Tail Light before you decide.