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Contact SupplierOffers pir-01 wired pir motion detector.
Introduction:
the wired pir motion sensor is an input device, the motion sensor works on the principle of sensing infrared energy (heat) emitting from an intruder"s body moving through a protected area. The motion sensor is commonly referred to as a pir, which stands for passive infrared. The sensor usually covers a 40" x 40" open area at a 90 degree angle.