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Types of IR Illuminators Is the cleaning lady stealing from me? Also check the camera's sensitivity to light. These are only the fundamental components. CCTV stands for Closed Circuit Television. Board cameras in contrast are widely used in covert camera installations, sometimes called Spy Cameras. The market offers two basic types of recording devices based on VCR or DVR technologies. With this in mind, investing in the highest quality and performance cameras and purchasing performance recorders. from an economical and practical standpoint. The camera kits vary depending on their use. Some camera kits can be used on a computer, taking advantage of its monitor and memory. Many people are under the misconception that a personal computer with additional hardware installed, will do the job.

In this case, you can install a 'nanny camera' in the bedroom. The number of TV lines in the security camera image is a measure of picture resolution (sharpness).

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Exchangeable lenses enable this camera, to monitor objects from virtually any distanceAlthough intended for indoor use, they can be used for outdoors when combined with weatherproof housing. A camera, a monitor and a time lapse recording mechanism (usually made in VCR or DVR formats). If things are going bump in the night, there's no reason you can't watch them. In some cases the use of cameras is inevitable. An IR-illuminator is a device that emits infrared light-low frequency electromagnetic radiation that's outside the visible spectrum. In other words, it gives off light that a camera can pick up and use, but that a person can't see-so while it's still dark to the human eye, the camera can see just fine. Video might have killed the radio star but there is no doubt today that DVRs are responsible for the mass extinction of VCRs. Cables for CCTV cameras consist of two cables bundled in one jacket. As the name suggests, wireless CCTV (WCCTV) cameras require no cables or wiring to send data. They are easy to install and are usually a bargain when compared with the peace of mind you gain by installing them. B/W chip cameras produce greater resolution and better light sensitivity, therefore suitable for use in dark areas where light conditions are poor most of the time.

A DVR enables you to choose the exact time of recording you want to see without having to rewind hours of tape. Some DVR systems will even have remote monitoring capability.

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