Specification:
Battery: Built-in battery
Charging: USB charging + solar charging
Zoom: telescopic zoom
Gear: Third gear: strong-weak-flash
Switch: touch / touch + gesture sensor
Waterproof: can be used in rainly, but not put it into the water.
Uses: Suitable for camping, mountaineering, hiking, night fishing, caving and other outdoor activities.
Package:
1*Sensor headlight+1*USB cable 
