Rear Bike Light - USB Rechargeable Red LED Bicycle Tail Light, Amazingly Bright 100 lm, 6 Modes, Waterproof, 180-degree For Cycling Safety Flashlight, Easy Install on Bicycles, Helmets EASY TO INSTALL - Use the rubber band to fix the tail bike light in anywhere you want to install. Such as handlebar, the back of a helmet, the seat post and anyother place you can install. LESS MONEY,MORE SAFETY - Get the bike light for headlight,backpacks or helmet to keep cyclists ,city commuters, kids safer riding at night.Match with mini bike pump-This improves safety tremendously anywhere, anytime. USB RECHARGEABLE TAILIGHT - Fully charge only needs 2 hours runtime up to 6 hours with standard mode, Make it more convient and environment friendly . Stop Wasting Your Money and Never Buy Batteries Again. HIGH INTENSITY BRIGHTNESS - It is depending on the angle which the headlight is installed the light distance can reach up to 330 ft, and the taillight is 120-degree which produces an extraordinarily wide-beamed of RED light which is eye-catching from all angles . A HIGH-QUALITY PRODUCT PACKED BY OUTSTANDING CUSTOMER SERVICE ***** We are so confident in the quality and durability of our products that we stand behind them 100% with one year warranty. If something breaks or if you don't absolutely love your new Bike light we will offer a replacement or refund your money, no questions asked. Turn on: press for 1 sec (for steady mode), press and hold (for flashing mode) Turn off: press and hold for 2 sec until the light starts to fade, then let it go Navigate through the steady and flashing modes: 1 sec press each time to change the mode To enable flashing mode: press and hold until the light starts to flash