Featuring BatteryGuard technology which automatically disengages the batteries from the circuit when the lantern is switched off to preserve battery life by up to 25% and reduces corrosion so batteries can be stored in the device for years.A powerful lantern perfect for family camping tripsBatteryGuard technology - Stops battery drain to preserve battery life and reduce corrosionAllows batteries to be stored in headlamp for years Battery life: 15 hoursOutput: 200 lumens - Suitable for lighting up your path in the dark when hiking and trail running. This light level can give a range up to 250m with a focused beam and will offer plenty of light in a wide beam as well.Beam distance: Up to 7 mWeight: 209gDimensions: L7.3 x W7.6 x H13.2cm