1Please charge it full before use. The charging voltage/current is DC5V/1000MA. It can be charged by power bank of equal voltage, takes 5 hours to fully charge. When charging, the indicator light will be red, when full charged, the indicator light will be green, and turn on the light the brightest gear, can use about 11 hours. 2The back contains a magnet to fix, can stick on the wall, can use as wall lamp, place it is very convenient. 3Slide the switch to adjust the two kinds brightness of the light, soft light will not be dazzling. Effectively reduce eye fatigue caused by lighting. 4Power switch: Top slide button ON/OFF/AUTO for open/close/induction, slide the button to ON, the light is always on, slide the button to AUTO for human body induction mode, the induction light will be on when someone is active, after 25 seconds after the person leaves or stops the activity, it will automatically turn off. Slide the button OFF again to turn OFF the light and power off. 5Suitable for bedroom, bedside, corridor, cupboard, wall, etc.