We believe this rechargeable head lamp would be your indispensable partner to,provides excellent brightness for any nighttime activity, Never get left in the dark again as a female customer also can use this headlamp.you easily turn whole beam into a wide floodlight, lighting entire room or campsite. Made of comfortable elastic material. The elastic size is suitable for most people, regardless of gender or age, including most children and adults.Perfect gift for family & friends, order two and give one to your family or friend! The led head lamps has modes Middle LED on, Side XPE LEDs on, LEDs all on and Strobe etc. The rear red indicator light on the battery pack, can alert people at the back, providing extra security and safety in the dark.USB charging cable enables you to recharge with PC, Laptop, Power Bank, Car Charger, Wall Adapter, etc,Very convenient. The headlight and the battery storehouse all Waterproof,dustproof and shockproostandard,giving protection against splashing water from all angles, allow you to use when working or taking adventure outdoors in the rainy day or heavy snow day. Degreeadjustable beam angle also allows you to focus light where you need it most.but not suggest for diving or directly put it into water. Ideal headlamp for adults & kids - reading, camping, running, fishing, hiking, hunting, climbing, biking, shooting, DIY projects, caving, kayaking, housing, reading,construction work, auto repair, walking dog at night and other outdoor activities.