Now even brighter and lighter than before, the Black Diamond Gizmo headlamp is a great light to have on hand in the car, at the house or in the mountains. Lightweight Gizmo has 2 LEDs and a dimming feature that allows you to set the light output LEDs put out 35 lumens on high and throw light up to 15m. LEDs cast even, white light and are nearly indestructible. Operates for up to 75 hrs. on low with 2 AAA batteries, included. If someone falls asleep with the Gizmo on, there's no need to worry because the auto shutoff feature kicks in after 2 hrs. Strobe setting helps you send a signal. IPX4 water resistance protects the headlamp from splashing or sprayed water from any angle. Black Diamond Gizmo headlamp features a pivoting head and a single adjustable strap.