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Surveillance cameras have become smaller, cheaper and better, but the major breakthrough has been in the recording equipment. A special board and software installed on the computer will allow camera inputs and store video on the hard drive. It is OK to do it this way, for baby monitoring or residential application, when quality of the picture is not that important. As the protector of your family you are expected to know the answers to such questions. We recommend this type of security cameras for commercial installations. Every CCTV system is as good and reliable as its weakest component. CCTV security cameras produce images using CMOS or CCD (Charge Couple Device) chips. Your decision should take into account the amount of light existing in the camera's environment. Board cameras in contrast are widely used in covert camera installations, sometimes called Spy Cameras. This type of surveillance system is extremely efficient in monitoring large crowds in real-time.

Speco IR-200 Infrared IlluminatorOf course, if you want IR-illumination to work, you have to use the right cameras. Black-and-white surveillance cameras are the most IR-sensitive; most color-cameras are equipped with filters that block out infrared light to enhance image quality. Many manufacturers have come out with IR-sensitive dual-mode cameras, which offer color images and can switch from daytime to night vision automatically, but the IR-sensitivity of these, too, varies according to the camera. So if you're investing in a CCTV system and want to incorporate IR illumination, make sure you check the cameras for IR-sensitivity in advance. The plug and play cables are easy enough to install by non-experienced users.

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2.4 GHz Wireless Security CameraThat's very nice, you say, but what's wrong with regular surveillance cameras? A Buyer's Guide to Home Security Camera System Is the cleaning lady stealing from me? Be sure to consult a professional before making this decision. Lenses in these cameras are either of a normal industry aperture or a "pinhole" lens of very small aperture. Also, the signal from a fixed camera deteriorates over long distances-so not only are the cameras stuck in one place. CCTV systems Decent quality CCTV cameras use CCD technology. As with any other security camera, you can choose from a wide selection of bells and whistles: audio, motion sensors, infrared filters, computerized pan/tilt/zoom, night vision capabilities, and even automated alarm-triggering functions. Assess your security needs, decide which features are important to you, and shop accordingly. 2.4 GHz Wireless Security CameraThat's very nice, you say, but what's wrong with regular surveillance cameras?

WCCTV technology uses microwaves in the form of radar, radio, or lasers to transmit the camera signals to a remote location-a radio receiver, a DVR, your PC or laptop, or wherever else you'd like to view the images. Designed and manufactured with a single application in mind, it is by far better in performance and reliability than its PC based rival.

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