This head lamp can last 22 hours on low-light setting or give you 6 hours on the brightest level. Weighing less than 2oz, it’s comfortable to wear with a 45-degree pivoting head. Wattage: 5W Brightness: 1300lux Beam distance: 400ft / 120m Powered by: 3 x AAA batteries (Not Included) Working time: 6-22H Waterproof: IPX4 Material: ABS+PC Weight: 1.94oz without batteries