The Enduro Headlamp is ultralight and super comfortable. It features an impact-resistant housing with unbreakable polycarbonate lens and is O-ring sealed for water proofing. The C4 LED technology is impervious to shock, while the solid state power regulation provides maximum light output. The Enduro has a push-button switch with two modes-high and low with an integrated hat clip. It includes two AAA batteries and rubber/elastic combo head strap.