Passive Infrared Sensors detect motion by measuring the amount of light that radiates from objects. These sensors are also called motion detectors. You can find PIR sensors for sale in South Florida by searching online. The best part about motion detecting surveillance equipment is the fact that you save space on your digital recorder. There is also no need to view images that have no subject. The PIR sensors detect heat and only record when this is sensed by the cameras. Surveillance cameras that feature this technology are available at home security retail stores. Home surveillance cameras are a great way to keep an eye on the exterior of your home.
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