Specifications: Weight: 180g; Battery: 2x 18650 battery(Not include); Material: Aluminum alloy + ABS plastic; Switch: Head press switch; Zoom mode: None; Charging mode: Micro USB interface; Features:     With SOS help whistle and charged display function; Color: Black/Red/Gold; Dimming mode: 6 modes; mode1: 3*T6 LED; mode2: 5*T6 LED; mode3: 7*T6 LED; mode4: 2*Brand LED; mode5: 7*T6 LED+2*Brand LED; mode6: 7*T6+2*Brand LED in Strobe; Size    Approx: 7.6x2.1cm/2.75'x0.82'; Voltage: 3.7V; Capacity: 3000mAh(high capacity); Features: - Over temperature and over current protection - Short-circuit protection & Environment friendly - Widely used on torch, laser pointer, as emergency lighting and other portable devices - When you and friends or family to camping,you can use this product to lighting the road or the things,because it is light and easy to carry away - Reduce the insecurity of the children in camping - Enhance the camping atmospher Package included: 1x Headlamp 1x Micro USB cable