Slim and lightweight, this powerful Black Diamond Gizmo Headlamp is easy to carry in your pack, vehicle or duffel bag. The single-power LED provides up to 35 lumens of brightness as well as dimming and strobe modes. Powers off after two hours to avoid accidental battery drain. Uses two AAA batteries (included). Maximum burn time: 72 hours. Wt with batteries: 2.05 oz. IPX rating: 4. Colors: Dark Shadow, White, Blue, Orange.