Industrial double detector with a range of 25m x 90° and Anti-masking function. The detector has standard Anti-Cloak-Quad technology; 2 PIR + 2 MW channels which eliminates false alarms coming from repetition of movement caused by objects, selectable built-in resistors, Green Line to turn off micro-waves when the building is occupied, anti-collision function which allows for back-to-back installation of the detectors, or directly facing each other. Complete range of brackets for wall mounting and curtain application.