Bicycle Smart Auto Brake Sensing Light Waterproof LED Charging Cycling Taillight

About this item:
【Auto Brake Sensing】– This bike brake light can double-click to switch between manual mode/auto mode.Both modes have brake sensing technology, and auto light up at maximum brightness to remind others.
【Manual & Auto Modes】– The smart bike tail light will automatically turn off after 30 seconds when it detects no movement, and once it is touched or the bike is detected moving, the light will automatically turn on again. Manual mode requires the taillight to be turned off by yourself.
【6 Light Modes & Waterproof】– Bicycle brake light has six flashing modes: constant on(60lm), breathing flashing(50lm), slow flashing(50lm), fast flashing(50lm), rhythmic flashing(50lm), and Eco flashing(30lm). IPX5 waterproof makes bicycle taillights suitable for any harsh weather.