Easy to Install & USB Rechargeable: When you get this bicycle tail light, just install it in the desired position. The disassembly is also very convenient, just loosen the rubber fastener of the LED bicycle light and charge it. Built-in USB charging port, you can easily charge from car, mobile power, computer, USB charging plug.6 Lighting Modes & laser Light: The LED bicycle tail light has 6 modes. By pressing the LED or LD button on the bicycle light, you can turn on or off the rechargeable bicycle tail light and adjust the lighting mode. The LED key has three modes: fast chase mode, flash/strobe mode ,and full brightness. The LD button has three laser modes: stroboscopic mode, fast stroboscopic mode, and bright mode.The unique laser point function, play with pets.Adjustable Rubber Firmware for Rear Bike Light LED: Each rechargeable rear bike light has a four-hole adjustable wraparound rubber firmware, it almost fits on all bike. This USB rear bike light can meets your more needs. Not only can you put it on your bike, you can put the rechargeable bike light rear anywhere else, like helmet, stroller, pet chain, etc. You also can choose to install the bicycle tail light led rechargeable vertically or horizontally on your bike.IPX5 Waterproof & Durable: This bicycle lights adopts IPX5 waterproof level, even if it rains, it can not stop the work of the car light. The Micro-USB cover has been firmly closed, which can make the bicycle light unit withstand almost all types of weather when riding a bicycle. But don't immerse them in water.Super Bright Bike Light: Ultra high bright bike light ensures your safety. Powerful 50 lumens work in conjunction with the cluster-mounted LED array. The 360 wide angle visual design can provide ultra-wide and powerful taillight output to maximize the visual effect. Whether you are running, cycling, skateboarding or hiking, these safety lights will ensure your safety.