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The size of the CCD chip is normally 1/4", 1/3" or 1/2". Board cameras in contrast are widely used in covert camera installations, sometimes called Spy Cameras. If you're interested in intimidating burglars, you might consider buying very large and conspicuous cameras. This technology uses a small piece of silicon, instead of film, to receive the image captured by the lens. 2.4 GHz Wireless Security CameraThat's very nice, you say, but what's wrong with regular surveillance cameras? They are also available in dome housing, as a very popular Dome Camera. integrated with Smoke Detector, Motion Detector, Exit Sign and so on. CCTV systems are used mainly in large public areas like: banks, malls, train stations, sport stadiums and in almost every large store. Infrared technology is simply LED light in infrared spectrum (not visible to the human eye). The most popular examples of covert board cameras are smoke detector and motion detector cameras. You could also mix-in a number of dummy cameras as part of your security arrangement.

Wireless Surveillance Cameras On the other hand color cameras offer more realistic and natural pictures.

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Lux units measure sensitivity, that is, the amount of light per square meter. Low lux units in the camera's specs means it has enhanced ability to operate in poor ambient light conditions. You should also take into account your own interactions with the camera. Board Cameras are basically a fixed lens mounted on a circuit board. 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. This light will illuminate the viewing area, making monitoring possible in complete darkness. A great advantage of bullet cameras is their small size and integrated design. CCTV specs The cost of IR illuminators varies widely, depending on what type you buy and where you buy it-anywhere from under $30 on Ebay to around $200 commercially. There is, of course, middle ground, so do your research and shop around. You want to make sure you're getting the most for your money-so not only will you sleep better at night, you'll see better at night, too. Some systems can only be used over short distances like a nearby room or house, while others can be useful from miles away. The maximum distance the receiver can be from the camera depends on its transmission capability.

Controlling the DVR is simple and it offers you a variety of recording speeds. Spy cameras vary in size and design. Actually, the word disguise, rather than design, is probably a better word for describing spy cameras.

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