1. EASY TO USE - One-button design with light sources: Spotlight and Floodlight. You can easily use this rechargeable LED headlamp for your various lighting needs. 2. SUPER BRIGHT & RECHARGEABLE - The headlamp is at maximum brightness and easily illuminates an entire tent, room, and road. The rechargeable flashlights have a built-in rechargeable battery that can last after a full charge and allows you to charge and turn on the light at the same time. 3. LIGHTWEIGHT & WATERPROOF - The headlamp is for those who need an LED headlamp whether it's raining or snowing, indoors or outdoors. It is also a rechargeable headlamp for running, hiking, camping, climbing, fishing, hunting, etc. 4. ADJUSTABLE ANGLE AND STRAP - The headlamp can be adjusted down and fixed firmly to prevent shaking and slipping when running. The LED headlamp uses a comfortable elastic headband, which you can easily adjust the length to fit your head size. It is a perfect headlamp for adults and children. 5. DETACHABLE: The rechargeable headlamp body also easily detaches from the head strap and mounting bracket to become a versatile flashlight with a built-in magnetic base for attaching to metal surfaces.