The LitezAll 1.3K Is a high performance COB LED Headlamp with up to 1300 max lumens of light, a focus beam with up to 81 meters of light throw. The headlamp features three brightness modes and is powered by two replaceable 18650 rechargeable batteries (included) and is constructed of extremely durable aerospace grade aluminum. The included head strap is fully adjustable to fit most heads, plus over caps and hard hats.