Simply the furthest shining headlamp on the market for it's size and our nearest competitor doesn't even come close to the distance this headlamp shines. This headlamp is perfect for scanning or shooting when predator hunting, Camping, backpacking, walking to and from your hunting stand, and really anything you need a light for. Batteries can be charged without taking them out of the battery pack and can be charged from a 110V-120V A/C outlet or a 12V D/C ac