ROCKBROS High-Brightness Bike Light delivers 400 lumens with a beam reaching up to 200 meters, ensuring safe night rides and wide-area illumination for urban roads or outdoor adventures. It features multiple modes: High (400 lm, 2.5h), Medium (280 lm, 4h), Low (180 lm, 6.5h), and Flash (8h), with intelligent brightness adjustment based on battery level. Powered by a 2000mAh rechargeable battery via Type-C, it fully charges in 3.5 hours. Built from durable aluminum alloy, IPX6 waterproof, and lightweight (103g), it combines CREE XPG LED efficiency, quick-release installation, and simple touch controls. Perfect for night riding, daytime visibility, children’s bikes, and family cycling, providing safety, reliability, and convenience in every ride.