Bike Smart Tail Light Breaking Sensing Red Rear Bicycle Light Auto On/Off Taillight XlitET Type C USB Rechargeable Waterproof - ENFITNIX

• ALLOY SHELL-- 6061 Aluminium alloy chassis.COB LED and lens, high visibility at night but not dazzling LIGHT SENSING-The tail light automatically turned off in daylight and automatically turned on at night . The bicycle light turns off automatically after 30 seconds of being irradiated with a strong light such car light. If the light no move for 10 second it will automatically off. And the light will turn on immediately when it move BRAKE SENSOR-- A build-in integrated accelerometer ensures accurate brake detection. With the brake sensor, Automatic ultra bright brake light will automatically light up after braking. IPX5 WATER PROOF--IPX5 water proof design, proper to any abusive environment EASY INSTALLTION-- Saddle mounting and Seat Post mounting offered fit on any road bikes.Saddle mounting bracket and adjustable silicone strap provided, make the bicycle rear light flexible to quick install or detatch on bicycles, seat post