Smart Bike Tail Light Brake Sensing Bicycle Rear Lights Rechargeable Waterproof Bright LED Bike Light Cycling Safety Road BikeTaillight Accessories 6 Modes

BRAKE SENSING AND AUTO ON/OFF: The bike light will highlight to remind the cars and pedestrians behind you when braking to make you safety ridding at night.This Smart bike rear light including Motion Sensor and Light Sensor, auto off when detect in no motion after.Once shake it or detect the bike is moving, the bike back light will auto on again WATERPROOF & HIGH QUALITY: The waterproof grade of the Bicycle Rear Light, which can safe to use even in heavy rain, and it’s more waterproof than most bike lights on the market. EASY INSTALLATION MODES: Saddle Bracket and Seat Post two bracket offered to mount on the saddle rail or the seat post to meet your different need. No extra tools needed, unscrews from the mount easily to take with you so it doesn't get stolen. Built to Last: Engineered to resist rain and endure shocks, its fine craftsmanship ensures the bike tail light performs reliably under demanding conditions, adapting seamlessly to diverse outdoor settings