Passive infrared detectors for exteriors QUAD. Variable Range from 8 to 30m. D-TECT 2 is an Outdoor presence detector with PIR Quad elements which comply BS8418 standard. This detector can be used to controll cameras and can work jointly with GJD lighting control devices. It´s equipped with dual-axis infrared scanner, turn and incline, with 2 potential free relay and 2 negatives commuted outputs.