CCTV stands for Closed Circuit Television. This term refers to cameras that run their signal in a closed network usually wired or wirelessly to be monitored live via monitor or recorded using a digital video recorder. In most cases these cameras are used for security purposes, but there are often other uses for these systems. Though CCTV cameras typically are connected to a single location, the cameras are then connected to a DVR which can be viewed and controlled remotely from any internet connection. The DVR is the heart of any CCTV system and is the doorway allowing viewing and control of the entire surveillance system.
Some of the most common uses for CCTV are: