China Wholesale CCTV Cameras

Closed-circuit television (CCTV) with which the picture is viewed or recorded, but not broadcast initially developed as a means of security for banks. Today it has developed to the point which it is simple and inexpensive enough to be used in home security systems, and for everyday surveillance.
Wired CCTV cameras can produce images or recordings for surveillance purposes, and can be either video cameras or digital stills cameras.