Video surveillance systems give business owners and law enforcement agencies an extra eye to see all activity in and around the company. The systems you install can vary widely depending on the area and monitoring required.

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In the past, CCTV systems recorded video in the form of an analogue signal that was recorded on tape. These cartridges are then stored and inspected by business owners or law enforcement officials if necessary.

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Digital video is the standard today. In this way, videos can be recorded on digital storage devices in the same way as computer data is supported on the hard drive. This makes it possible to store large amounts of data or videos in a much smaller area as well as in videos of much higher quality.

Video in a CCTV system can come with or without sound. More sophisticated systems offer high-resolution color video.

When choosing a CCTV camera, you need to decide what the camera is for. Whether you're trying to troubleshoot a specific problem or just need general security surveillance, you are largely determined by the type of camera you need and the overall coverage and complexity of the system.

One of the first considerations is whether you want your CCTV camera to be visible. Some companies prefer cameras to be clearly displayed to prevent people from trying to steal. Others like the idea of a hidden camera that blends in with the decor or background and doesn't attract attention.