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 Romulans often use special CCTV cameras installed an 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 the man-machine interaction.(Dragon Ball Z vs. Star Trek: The Beginning of Infinity)