Safety CyclingThe tail light with unique pattern is very eye-catching, Illuminate the rear and sides of the bike, not only brings a safer riding experience, but also more cool.USB RechargeableSave the time and money to replace batteries every week. Equipped with a charging cable for each tail light. It can be charged from your computer, power bank or any device with a USB port. Energy conservation and environmental protection.Multiple ModesYou can switch different modes according to your needs and get the best lighting experience. There are three modes of LD LED mode: slow flash mode, fast flash mode and constant light mode; there are also three modes of LED tail lamp operation: one by one increasing mode, flowing water flashing mode and normal lighting mode.IP5 WaterproofThe bike tail light is IP5 waterproof and dustproof to ensure safe use in rain. It cannot be used underwater.MultifunctionalThis bicycle light set has a wide range of uses, suitable for cycling, hiking, camping or any outdoor activities.