Uses with this item no more wonder what’s going on in the back. Displays a reversed camera image on the monitor to duplicate the normal view seen in a rear seen in a rear view mirror, perfect solution to get rid of that poor rear view visibility on your car, boat, trailer, camper, truck or any vehicle that has no rear-view mirror poor rear vision,  Connect to any type of monitor with a composite yellow.
RCA jack for crystal clear resolution Mounted inside will fit into most vehicle key holes, no other installtion neede.