PTZ camera security is the use of a PTZ camera either alone or with other cameras in a system to provide surveillance and security coverage. A PTZ camera is capable of Panning, Tilting, and Zooming.
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Digital video security cameras may need CCTV housings, especially if they will be placed outdoors or in a potentially violent or hazardous environment. Though some cameras are made with protective Closed Circuit Television or CCTV housings, other may require that you install your camera in one before mounting.