Press the button once to turn on the light, long press the button for two seconds to turn off the light. The built-in intelligent high-performance circuit protection board provides over-current and high-voltage protection for your mobile phone to the stability of the charging current. It has a mobile phone function, and the USB charging function will be turned on. USB adapter: Input:14Vdc-21Vdc, maximum 2A Output:2 x USB 5Vdc 2A Flashlight: Brightness:45lm LED power consumption:1W LED type:Chip/White light Colour:Black Material:ABS Package Contents: 1 * Multifunctional flashlight Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.