Fookoo Ⅱ HD 1080P Backup Camera System Kit,7 DVR Dual Split Screen Monitor, IP69 Waterproof Rear View Camera for Truck/Semi-Trailer/Box Truck/RV, Sharp CCD Chip,100% Not Wash Up (FHD2-Wired)

You can choose to view two camera images at the same time by pressing the monitors "CH-" button.Alternatively, you also can see images from a single camera separately. When you want to see another camera, just press the "CH-" button.You can choose to turn on / off the mirror function of the camera as needed.For example, if you want to install one camera in the front of the vehicle and another camera in the rear. Now you can just flip one camera to get the correct image without affecting the image of the other camera.Reversing screen with parking line will make your parking safer and faster. No longer need someone to get off the bus to help you see whats going on and guide you.All you need to do is: using our system and connect the green wire to the back light.