Bike Tail Light: Auto On/Off Rear Flashlight Ultra Bright Back Brake Light High Lumen Daytime Strobe USB Rechargeable Safety Red Led Taillight Waterproof Road Cycling Lights

High lumen COB Led Enhance Your Safety: With best COB leds and sensors,ultra bright brake light,daytime strobe make you more visible other road users.It is easier to additionally improve your safety in riding. Auto On/Off Makes Your Riding Safety More Effective, Easy and Simple:flash and breathing lights automatically turn on when moving or vibrating, otherwise they turn off . bright braking light promptly provide warning people behind. Light Sensing Make Your Riding More Convenient: rear bike light with intelligent sensor, flashing lights turn on automatically in low brightness and turn off in high-intensity light. Save your to switch bike tail light Long Llife Battery and IPX6 Waterproof: Built-in and durable USB rechargeable polymer lithium battery, rear bike light run can be up to 60 hours. IPX6 waterproof grade makes it easy to use tail light in any weather. Easy Mount and Removable: mounting bracket and adjustable silicone strap provided, make rear light flexible to quick install or detatch on bicycles. Very convenient to rotate out from bracket recharging