SMD-W5.1A Compact Dual PIR Perimeter Mot. Det.

This compact-size device allows to control the building's external perimeter and it is particularly suitable for the protection of doors and windows. it has to be installed on the wall. The curtain-type detection area (5° detection angle) has an adjustable length from 2 to 5 meters. The device is internally fitted with two infrared detectors, one of which is adjustable. The alarm is triggered only if both sensors detect a presence