3 Light Colors: Can be applied to different scenes. Yellow light has strong penetration and can play a good warning role in foggy weather. Red light as a warning light, can be better at night for your escort. White light can be used for night lighting.Built In Battery: Built in lithium battery, 600MAH large capacity, can be recharged repeatedly, can be use for constant mode for 6 hours, other modes for 7 hours, charging time is 3 hours.Powerful Tool: 8 light modes, 10 SMD light beads and COB bead, can give us full light when riding at night, making you more safe in dark situation.Highly Waterproof: IPX5 waterproof level, no matter heavy rain or thick fog, can work normally, to ensure your riding .Package Content: The package contains bicycle light, fixing strap, and charging cable, other accessories and tools need to be prepared by yourself.