CXWXC Smart Bike Tail Lights - Waterproof Bike Rear Lights USB Rechargeable - Ultra Bright Led Brake Light, Cycling Riding Safety Flashlight

【Dual Mount Rear Light】: Our Bike Tail Light offers two different install systems- Saddle mounting bracket and adjustable silicone strap provided, make the bicycle taillight flexible to quick install or detach on bicycles. Very convenient to remove out from the bracket for recharging.【Brake Taillight for Riding Safety】: Smart brake sense bike tail light, auto start and stop. The bicycle tail light will automatically light up when braking or vibrating, highly sensitive sensing system and auto light up at maximum brightness to remind others.【Wide View to Keep You Safe】:Wide field of view, 180-degree field of view width, visibility up to 150M. With 6 different output modes to choose from – including 1 constant mode and 5 flashing modes – the smart bike rear light caters for all types of riding conditions and disciplines.【Battery Life】: Built-in 350mAh Polymer Lithium battery comes with a USB cord that charges from your computer, wall charger, power bank or any other device with a USB port