NIB☆ DSC Dual PIR with MW Outdoor Detector

DSC Dual PIR with MW Outdoor Detector LC-171 New, Never Used ot Taking out of Box. A dual-tech motion sensor detects movement using both passive infrared (PIR) and microwave sensors. It will only activate if both sensors are triggered. A traditional motion sensor detects movement using only a PIR sensor. A traditional motion sensor may also be called a PIR motion sensor.