This CCTV Installation Diagram depicts the installation of Closed Circuit Television. It is a video system comprised of strategically placed video cameras around an area that record footage transmitted to a display monitor(s) for real-time viewing and footage playback. This CCTV Installation Diagram also depicts the necessary equipment for CCTV installation. A unit contains a CCTV camera and the essential lens and ancillary equipment. Housing for the camera An enclosure protects the camera, lens, and ancillary equipment from physical and environmental damage. An internet connection becomes necessary only when the footage needs to be accessed remotely. Although using the internet has its advantages, it is by no means a requirement.