1. Power the screen:

Please plug into a cigarette lighter or power port and connect the wire to screen. There has a usb charger on the back of the plug so you can still plug a phone charger into it.

2. Power the camera:

(1) Connect to the running light or reverse light, the screen and camera will be on when you turn on the running light or reversing.

(2) Connect to the battery, the screen and camera will be on when you start the car.