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Spy Camera Surveillance What Does Pir MeanHave you heard the term PIR, but are not clear about what it means? We extremely should try and educate you concerning the PIR for security systems. This way, In case you plan to sell security systems with PIR within your house e-commerce business, you may have at least a working knowledge of your Items. This has the extra advantage that you can answer questions from potential customers or existing customers and help them understand your Items. What is PIR? PIR stands for Passive Infra-Red. , A passive infrared sensor is an electronic device that could be employed in many different Items such as CCTv motion activated cameras, lights which are triggered to come on the motion, property security systems and numerous more devices. These PIR sensors work by detecting the infrared radiation levels emitted by all living creatures. A bigger creature will emit far more infrared radiation than a smaller one. Why would a man emit more infrared radiation than a frog.
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