CCTV has become the great watcher who cares for, prevents and records a large number of unlawful acts. The CCTV industry has grown disproportionately since the events of September 11, and demand has not yet been reached. We have the most basic CCTV systems such as the Porter TV, which allows us to have visual contact with the person who knocks the door and to maintain a simultaneous and safe conversation. As well as Remote Digital Video Systems, which allows us to monitor live, playback, backup and transmission of video locally or remotely (from the Internet), as well as control the movement of dome cameras, this type of system has advanced functions , From the simple to the most advanced, designed to exceed the needs of high level users.