RISARYA PIR MOTION SENSOR, 12V DC/AC Wired Sensor Security System


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PIR sensors allow you to sense motion, almost always used to detect whether a human has moved in or out of the sensors range. They are small, inexpensive, low-power, easy to use and don’t wear out. … They are often referred to as PIR, “Passive Infrared”, “Pyroelectric”, or “IR motion” sensors

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