Own the night with Serfas' TSL-250 True Light Headlight. It bathes your way with 250 lumens of brightness without an external cord or battery pack. Recharging is simple and convenient too. Just plug it into your computer's USB port or use the included wall charger. This great light has steady and flash modes plus high, medium and low beams, and it includes both helmet and handlebar quick-release mounts. You also get a replaceable Lithium-ion battery.