[Front Light]: High-powered produces 500 lumens With 4 modes, induction mode, high brightness, low brightness, flicker.[USB Rechargeable Battery] : Save your money on batteries again and again. The front light has a built-in 2000MAH rechargeable battery,[Easy Install & Remove]: Clips on easily and stays on securely. The USB-rechargeable front bike light is no tools required, light head is easy to attach and remove, whether walking your dog, cycling, skate boarding, hiking, motorcycle, these ultra-bright safety lights will keep you safe.[Durable IPX4 waterproof]: Combined with advanced IPX4 waterproof and dustproof technology, it is suitable for all weather conditions. USB interface is covered with a waterproof and dustproof silicone, so that the bicycle lights can be better charged, prolonging its life effectively.