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$25.15 (Buy here: https://alitems.com/g/1e8d114494ebda23ff8b16525dc3e8/?i=5&ulp=https%3A%2F%2Fwww.aliexpress.com%2Fitem%2FWireless-360-Passive-Infrared-Sensor-For-Home-Scurity%2F32222206958.html ) Wireless 360 Passive Infrared Sensor For Home Scurity for just $25.15

Passive Infrared Sensor (PIR) working with Applications http://www.elprocus.com/passive-infrared-pir-sensor-with-applications/

The different types of motion sensors mainly include Passive Infrared Sensor, Ultrasonic Sensor, Microwave Sensor, Tomographic Sensor and Combined types

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Passive Infrared Sensor or PIR and PIR Camera for Security

Passive Infrared Sensor or PIR is the technology and its usage is in PIR Camera for Security and is used for cost saving and low carry cost with effectiveness.

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