UPGRADED 2LED BIKE LIGHT: The 2025 Upgrade bike lights front and back with super bright 10000 lumens, 2 LED front bike light and bicycle lights come in a Aluminum alloy, light your way max up to 200M.USB FAST CHARGING & POWER BANK FUNCTION Our bike lights front and back use advanced fast charging technology, just to save your time, the bicycle lights charging time only needs 1.5-2.5 hours, long working time, can last 5-45 hours. In power-saving mode, the high-capacity battery ensures a long life of 45 hours. Bicycle lights also can as a power bank to charge your smart phone, which is very important in outdoor emergency situations.DURABLE AND IPX4 WATERPROOF: The front bike light is made of premium aluminum alloy casing, tough enough to withstand 10ft drops. IPX5 waterproof bike lights front and back works in heavy rain or thick fog, If it rains or snows suddenly, you don’t need to worry.You can count on this light during power outages, roadside repairs, and safety emergencies.Best christmas gifts! Also can be christmas stocking fillers!MULTI-SCENE USE & PERFECT GIFT Bike lights front and back are suitable for a variety of scenarios such as biking, camping, night fishing, etc. At the same time, Bike lights are suitable for motorcycles, strollers and wheelchairs.