Double Infrared Wired PIR Motion Sensor

Wired Outdoor Microwave & Infrared Motion Detector: Adopts Dual PIR and MW Technology ( active/ passive infrared & microwave & intelligent technologies ), Advanced true motion recognition and pet immunity technology to avoid interference. Unique water-proof design can be used indoor/outdoor for industrial, commercial and residential security. Another option: Model ZDD-185PIR( Wired Outdoor Intelligent Quadruple PIR Detector ) without microwave function. Features - Adopts Dual