7 Inch Security Camera System, CCTV Camera System, Camera And Monitor System Style7 Inch Security Camera System, CCTV Camera System, Camera And Monitor System. The system has 1 of 7 inch ... degree wide angle color CMOS number plate cameraIt's fogproof and dustproof, typically installed above the number plate area, giving a ... the system on permanently. You can also add a second camera to this monitor