Description For extra visibility in low-light conditions, the Aventon Headlight V10-500 offers an additional light source to your bike&';s integrated lights. USB rechargable and specced at 500 lumens, this light mounts directly on the handlebars of any bike, making it a great addition to any night-riding rig. The included handlebar mount can be left permanently on your handlebar, while the light itself slides on/off the mount as you need it and for easy recharging. Features USB Rechargeable, built-in 2000mAh battery High, Medium, and Low modes; plus daytime flash and SOS functions Charges easily via USB Includes handlebar mount Runtime and Lumen Output High: 500 lumens, 1:30hr runtime Medium: 250 lumens, 2:40hr runtime Low: 100 lumens, 6:30hr runtime Daytime Flash: 500 lumens, 21 hours runtime SOS: 250 lumens, 3:30hr runtime Strobe: 500 lumens, 3:00hr runtime Specs IPX6 waterproof rating Weight: 108g Compatibility Compatible with every Aventon ebike and traditional bike, as well as almost every other make/model of bicycle on the market.