Closed-circuit television
use of video cameras to transmit a signal to a specific place on a limited set of monitors From Wikipedia, the free encyclopedia
Remove ads
Closed-circuit television (CCTV) is the use of video cameras to send a signal to a certain place, on a small set of monitors. It is often used to watch for trouble.
This article does not have any sources. (April 2025) |

Wikiwand - on
Seamless Wikipedia browsing. On steroids.
Remove ads