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Security – CCTV

Closed-circuit television (CCTV) is the use of video cameras to transmit a signal to a specific place, from a limited set of monitors. CCTV is often used for surveillance in areas that may need monitoring such as banks, casinos, airports, offices, shops, computer rooms and in our homes.

CCTV systems may operate continuously or only as required to monitor a particular event. A more advanced form of CCTV, utilizing Digital Video Recorders (DVRs).

More recently, IP-based CCTV cameras, some equipped with mega-pixel sensors, support recording directly to Network Attached Storage devices, or Internal Flash for completely stand-alone operation.

IP (Internet Protocol) Cameras use the IP protocol, used by most LANs to transmit video across data networks in digital form. As its IP, video can also be transmitted across the public Internet, which allow home-owners and businesses to view their camera(s) through any internet connection available through a computer or a 3G phone.