The GX200 is a high quality passive infra red detector with an IP65 weather proof rating for use in outdoor applications. It has an adjustable head to change the viewing angle. This product has various uses from commercial and domestic lighting control to CCTV motion detection. This popular lens is the 40 metre narrow beam. This is used for perimeter detection or to view a target such a motor vehicle or garden shed from a distance away. The GX200?s are wired back to either a CCTV system or a DX100 lighting control unit by using only 4 core alarm cable. For lighting control a DX100 mains powered control unit is available and this also provides the 12 volts to power the detector.