High Lumen COB LED Bike Tail Light: Choose different light mode to protect your cycling safety. Daytime Strobe is ultra bright to make you more visible for other road users. Smart bike brake light is auto on while slowing down or stopping.
Anti-theft Bike Alarm with Remote: High-decibel sensitive horn makes a loud sound when detect any moving or vibrating, which effectively prevents your bike from stealing.
Auto on/off LED Rear Bike Light: In flashing or daytime strobe mode the bight light is motion triggered. Bike taillight auto turns on when it detects any movement. Bike light turns off when the bike is in stillness more than 30s.
Smart Light Sensing Save Your Time: Built-in intelligent light sensor, the bike tail light turn on automatically in low brightness and turn off in high-intensity light, which saves your time to switch the rear bike light.
Easy to Use and Waterproof: Saddle and seat post mounting make the taillight fit different bicycle. Outstanding IPX5 waterproof bike back light can be used in rainy weather. Safe USB rechargeable polymer lithium battery make the light battery life up to 40 hours.