Passive detector of two pyroelectric elements for indoor / outdoor space by OPTEX. PIR coverage 12m / 85 degrees/ 94 zones, it has a special automatic sensitivity adjustment circuit. Adjustable for distances of 4m, 5.5m, 9m, 12m. Includes mounting base for height 2.5 - 3.0 m detection speed 0.3-1.5m/sec operating voltage 9.5-18VDC, consumption 35mA, NC 28VDC, 0.1A max. IP 55.