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The PYR-4122 is an analog hardwire pet immune passive infrared motion detector is a high stability intrusion sensor.
The PYR-4122 utilizes high-temperature compensation and a unique low-temperature compensation for maximal detection capabilities and minimal false-alarm transmissions.
The PYR-4122’s pyroelectric sensor is enclosed in a sealed chamber, protected from insects and air drafts. For higher-security still, the unit is supplied with a cover tamper which detects tampering with the sensor if the case is opened.