Combining the pure power of a focusable high-output Xenon bulb with three space-age, super-bright LEDs, the Yukon is the ultimate solution for putting light where you need it. Perfect for nighttime climbing, paddling, setting up camp or reading a book. LEDs are configured in a triangle pattern to generate a smooth, even beam of light, and designed to last a lifetime. Waterproof lamp and battery pack. Hinged lamp housing lets you point the beam where you need it, and is mounted on sturdy elastic webbing that adjusts for a perfect fit. 3 AA Batteries. Xenon Bulb, Burn time= 3-5Hrs 3 LED's, Burn time = 120 hours. Weight: 8 oz.