Aidisun 6000 Lumens Head Light Waterproof Led Headlamp Zoomable and Adjustable Made of Aluminum Alloy Headlight Rechargeable Suitable for Riding Biking Walking Hunting Fishing Working Widely used in biking, camping, backpacking, hunting, fishing, Emergencies and home repairing. Zoom in / out to adjust its focus by rotating the headlamp, Adjustable(More than 90 degree) ,Hands-free; 3 Modes : High light, Low light, Strobe. Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent Waterproof design, aluminum alloy case, avoiding high temperature, anti fall off. Back cover is very soft and comfortable, it is suit for wearing.