Bike Tail Light Rechargeable Waterproof Blinker Light for MTB Back Light for Bike Rear Signal Light

100% brand new and high quality ●The upgraded bicycle tail light adopts high-quality LED lamp beads, which can be lit longer and has 4 light modes to provide you with good protection at night.●Please make sure that you press the switch button continuously for more than 3 seconds, it can be turned on and used,Click the flash, press the second burst flash, press the three long light.●Easy to install, comes with 2 sizes of rubber rings to fit all bikes, motorcycles, etc.●The upgraded version is more waterproof, allowing you to ride freely in the rain.●Intelligent charging system, it stops automatically when fully charged, there is a light prompt when charging, with overcharge protection, and the upgraded battery is more durable.