Heavy Duty Backup Camera 7" Monitor Rear View Reverse Kit for Truck Caravan Bus

4-pin connector cable solution deals with both power and singal transmission. No power cable is needed to connect cameras. Special thick hard wire can shield vehicle's circuit interference better than normal AV cables, cCan be connected directly at the same time multiple cables working together without other connection head Headrest style installation and bracket installation, support screen rotation, easy to mount & easy to use Can easily adjust the camera installation angle in multi-level