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Surveillance of the public using CCTV is particularly santorini common in the UK, where there are reportedly more cameras per person than in any other chania country in the world. There and elsewhere, its increasing use has corfu triggered a debate about security versus privacy.

It differs from broadcast television in that the rodos signal is not openly transmitted, though it may employ point to point wireless links. CCTV is often used for surveillance in areas that may need monitoring lefkada such as banks, casinos, airports, military installations, and convenience stores.

In industrial plants, CCTV equipment zakynthos may be used to observe parts of a process from a central control kefalonia room; when, for example, the environment is santorini not suitable for humans. CCTV systems may operate chania continuously or only as required to monitor corfù a particular event. A more advanced form of CCTV, utilizing rodi Digital Video Recorders (DVRs), provides recording for zante possibly many years, with a variety of quality and performance options and extra features (such as motion-detection and email alerts).

Closed-circuit television (CCTV) is the use of video cameras cefalonia to transmit a signal to a specific place, on a limited set of monitors.