CCTV is the abbreviation of Closed Circuit Television. It is a system where the circuit is closed and all the elements are linked. CCTV camera security systems were originally developed to monitor commercial properties and public places, but have been adapted to home security systems in recent years.
CCTV is defined as the use of video cameras to transmit video to a limited set of monitors. This kind of system differs from broadcast television in that the signal is not openly transmitted, but is transmitted only to specific television monitors programmed or wired to receive a signal from those cameras. …

