Closed-circuit television (CCTV), also known as video surveillance, is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors.CCTV systems may operate continuously or only as required to monitor a particular event.CCTV equipment may be used to observe parts of a process from a central control room.

NVR security systems (network video recorders) connect with CCTV security systems, enabling you to record what the CCTV cameras see, and play it back at a later date

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