This sturdy high brightness and range CREE LED headlamp with adjustable beam and lighting modes has a long Range Beam of 165m. Lighting modes include high @ 300 Lumens, low @ 85 Lumens, and flashing. A full charge will offer a duration of 11 hours in low mode, and approcimately 5 hours on low. The Lithium Ion battery has a fast charging speed, using the included USB cable.