CCTV cameras is one of the main component comprising a video surveillance system also known as Closed Circuit Television (CCTV). Cameras are used to capture images and transmit these signals are transmitted to a video recorder or monitoring device. Decide if CCTV cameras will be used for general monitoring, event recognition, or individual identification. Select an unobstructed camera location, then measure the distance to the target to determine the lens type producing the best field of view. Cameras in any form factor can be wall or ceiling mounted, it may also have a similar specification in other form category. Choosing the right CCTV camera look is also a matter of personal preference. Camera casing material are mostly made of plastic or metal, and are designed to be dustproof, weatherproof or vandalproof. Choosing the right material for different environmental condition will help your CCTV System endure the test of time.