Automatic Safety beam sensor Automatic Safety Beam Sensor multi-beam sensor window/door active infrared detectorOperates in direct sunlight due to unique IR beam technologyHigh false alarm immunity from leaves, blowing debris and small animalsPlug & Play auto-setup between twin beams without manual settingsSimple beam alignment using indications from LED bar and correlating buzzerAnti-sabotage provided by encrypted beam signal with system IDAnti-collision feature prevents crosstalk between adjacent unitsInherent 180° rotating swivel for side aimingAdjustable beam positioning in the railEasy addition or replacement of modules without removing rail from wall, using patent-pending front mountingUV protected polycarbonate IR filter cover and anodized aluminum railCover and wall tamper protectionAlerts for gradual signal loss due to fog, snow, dust and rain See More