CCTV closed circuit television is a TV system in which signals are not publicly distributed but are monitored, primarily for surveillance and security purposes. CCTV relies on strategic placement of cameras, and observation of the camera’s input on monitors somewhere..CCTV Add on Cameras. Our range of Add on CCTV cameras allow you to customise your CCTV system for any size of house, creating multiple protected zones. Adding extra Night Vision cameras and indoor Dome Cameras, with either meter extension cables is a simple process and can significantly improve your home security..An early mechanical CCTV system was developed in June by Russian physicist Leon Theremin cf. Television in the Soviet Union . Originally requested by the Soviet of Labor and Defense, the system comprised a manually operated scanning transmitting camera and wireless shortwave transmitter and receiver, with a resolution of a hundred lines..See how you can set continuous or motion recording for the Swann security camera model . Its quite easy to change between constant and motion detection recording by going into the record schedule menu in the Swann camera settings..
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