1. Millimeter wave radar bike tail light with 54-degrees wide blind spot detection, detects approaching vehicles up to 190 meters, works reliably around bends. 2. Visual and audible dual alert system. Supports ANT+ connection to compatible bike computers for real-time rear vehicle risk display. 3. Built-in acceleration sensor enables automatic brake sensing, rapidly flashes for 5 seconds while braking to warn following traffic. 4. 1200mAh rechargeable battery offers up to 14.5 hours runtime. IPX6 waterproof construction for riding in rainy conditions. 5. Vibration wake-up and auto sleep function: sleeps after 60 seconds idle, powers off in 30 minutes. Features customizable RGB lighting modes. 6. Compatible with round, D-shaped and V-shaped aero seatposts. Complete mounting hardware included. Type-C charging, lightweight at approx 60g.
