A closed-circuit television camera is an immobile camera installed to monitor special places. Closed-circuit television cameras are connected to a central computer system to save and analyse the recorded data. Many people think the use of closed-circuit television is problematic due to privacy reasons.
The Federation uses many closed-circuit television cameras at public places to increase public security. (Dimensional Prophecy of Zohar)
The Romulans often use special CCTV cameras installed on balloons in their cities. (Dragon Ball Z vs. Star Trek: The Beginning of Infinity)
CCTV cameras are also used in interactive advertising posters to enable man-machine interaction. (Dragon Ball Z vs. Star Trek: The Beginning of Infinity)