Closed Circuit Television (CCTV) security cameras are the devices used to film a desired area and pass the information in digital or analogue format to a multiplexer or recorder. The decision as to which type of cameras to use depends on its location environment and the type of subject being monitored:

• Mono – Best suited to poor light conditions, enabling increased image definition.
• Colour – Best suited to good light conditions (daytime or indoor) where image clarity is important.
• Lenses – There are a wide variety of lenses to choose from with wide angle and zoom capability for distant objects or wide views.
• Cameras – There are Dome, Covert, Fixed, - Pan, Tilt & Zoom (PTZ), all have their particular uses for specific security situations.

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