RAVEMEN NT201 Rearview Radar Bicycle Taillight with Rear Vehicle Braking Auto Max 80 Max Sensing Distance 140m Auto-On, IPX6, Detection, Detection,

ANT+ Compatible Smart Radar Light: Works with compatible bicycle computers. Equipped with intelligent radar that detects vehicles up to 140 meters behind (at speeds between 10 and 160 km/h). Visual and audible alerts keep you aware of your surroundings. No complicated app setup required. [80 Lumens of Brightness and Wide Visibility] This high-brightness taillight can be seen from up to 1.6 km away. The wide beam angle makes it easy to stand out, day or night. It is also effective in bad weather or when visibility is poor. 【6 Modes & Long Battery Life】Built-in high brightness, energy saving, slow flash, warning flash, daytime warning, and pulse modes. Up to 23 hours of continuous use in slow flash mode and 16 hours in high brightness warning flash mode. [Smart Sensor Function] Brake lights automatically turn on when deceleration is detected. Automatic ON/OFF by vibration detection, so no unnecessary power consumption. For a safer and more comfortable ride. Versatile Mounting & Fully Waterproof: Easily mounts to round/aero seatposts (up to 4.5cm diameter) and saddle rails. IPX6 waterproof for peace of mind even on rainy days. (Please make sure to close the charging port cover before use.) NT201