USB Rechargable Cycling Bike Lamp Bicycle Head Light Flashlight Waterproof Features: 100% brand new and high quality Specially designed for cycling lovers Easy-mount and easy-release universal bike mount clamp Overcharge and over discharge protection. Use as bike light,flashlight,power bank. Working voltage: 3.7V Size:106x48mm Body material: Aluminum alloy Power: 2 x18650 battery abd usb charging Range: 300 ~ 500m IP5 Waterproof 3 modes: strong light, high light,low light Product include: 1 x Bicycle Light 1 x bracket 1 x USB cable 2 x Mat