Package Included（with battery）: 1 x rechargeable headlamp 1 x USB cable 3 x 18650 rechargeable Lithium-ion battery Package Included（without battery）: 1 x rechargeable headlamp 1 x USB cable Features: -Adjustable base is provided for head lamp, with back and forth inclination. -Headlamp can be down 90 degree. -Keep your safety as you go out at night. -Daily waterproofing design. -Easy and convenient to use. -With an elastic and adjustable helmet strap for installing the lamp on head. -Suitable for camping, hunting, climbing and outdoor activity so on. -High-quality glass lenses, light transmission rate up to 99%. -Rubber switch, comfortable, waterproof, anti-skid, touch sensitive. -High quality high elastic headband, comfortable, sweat absorption non-slip. Specifications: *Material: ABS+ Aluminum alloy *Color: Black/Blue/Gold *Light source：LED *Light time: 8~12 hours *Brightness:30W *Three lighting Modes :High light（white），Low light（white），fast flash &low flash（red/blue/purple） *Lifespan:100000hours *Battery: 3x18650 battery(Depend on your choice) *Style：With 3*18650 battery/Without battery