Serfas’ powerful TSL-2500 Headlight boasts 2500 lumens and four brightness modes to illuminate your night. The lightweight body and battery case are made of tough nylon and aluminum for superior shock resistance. A handlebar mount, a helmet mount, a 3-foot cable, and a 1-foot cable give you plenty of options to set up the TSL-2500 the way you want, while a wired remote switch makes adjusting light settings quick and easy. Plus, Serfas' Ram Air Cooling design keeps it cool for extended LED battery life. It also features a USB outlet to charge your other electronics on the go. The TSL-2500 comes with a wall charger, a ballistic nylon carrying case, and a Velcro battery strap.