Features: High brightness The bicycle lamp is equipped with a T6 10W super light bulb which has a long life. It works together with the hawkeye gather light and light through far distance and range. Waterproof The headlamp has a high waterproof level of IPX6 and can functions perfectly in different weather conditions. You can use it while riding or attaching it on the helmet when hiking. Durable battery The light is powered by a built-in 3000mAh battery and can last for 3-4 hours of continuous lighting after 1.5 hours of a convenient USB charging. Stable The lamp is clamp and attached to the handle with a resilient bandage and it holds the handle tight and stable, won’t loose even in bumpy roads. 360 degree adjustable The lighting angle of the lamp can be adjusted by the gear, which has a anti-skid design to prevent it from shaking and switching during ride.