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many important features, like lens control output, Back Light Compensation and many more. Hard drives are smaller and more convenient to maintain than VCRs. For larger areas or for real-time monitoring you will probably need to add cameras, monitors and other special devices. Cables for CCTV cameras consist of two cables bundled in one jacket. Professional grade cameras have a box type body with the ability to use different types and sizes of lenses. Buying Tips For longer distances, the signal goes by way of satellites, ground-based antennae, GSM phone networks, or even ADSL. Determine exactly what your viewing needs are, and which functions you expect the camera to serve. The days of the well-known CCTV time-lapse VCR recorder are almost over. Although some customers still prefer this old fashioned recording solution. CCTV specs
The basic operating system, usually Linux, is permanently stored on a special processor, witch is impossible to overwrite or corrupt. A great advantage of bullet cameras is their small size and integrated design.
Others have a monitor and a time lapse VCR in the same console. The transmitter is located near the camera and they're usually attached to each other within the same box. Add to that the risk of tampering or damage to the cables, and you have a strong case for wireless. As a rule of thumb, the larger the size, the higher the quality of the image produced and the higher the price. Also, wireless internet enables many modern wireless cameras to send images by email, so you can check on the camera from just about any computer. This light will illuminate the viewing area, making monitoring possible in complete darkness. IR Illuminators and CCTV The camera you buy should fit 'naturally' into its surroundings in such a way that it does not draw attention. IR illuminators are especially useful for CCTV systems, which use surveillance cameras to monitor banks, shopping malls, government facilities-even private homes. Since security breaches are likely to happen after hours, it pays to be able to see these facilities clearly in the dark. A standard resolution camera may have 350-380 lines, over 400 TV Lines is generally considered good resolution while over 500 TV lines is considered high resolution.
If things are going bump in the night, there's no reason you can't watch them. Professional grade cameras have a box type body with the ability to use different types and sizes of lenses.