Mirror Optic PIR Engineered for applications where there is no room for compromise, the Strata utilizes precision designed mirror optics with advanced microprocessor control to deliver the ultimate in IR motion detection capability while maintaining true false alarm resistance. DETECTOR FEATURES Highly reflective, precise mirror optics transfer a greater amount of IR energy to the sensing components Digital signal analysis for consistent detection throughout the coverage pattern Patented Multi-Level Signal Processing (MLSP) for more accurate detection of human IR energy over a broad range of temperatures Sensitivity adjustment to configure the detector for normal or hostile environments INSTALLATION FEATURES Swivel-mount bracket for the ultimate in location and installation flexibility Readily accessible screw terminals PCB mounted to front plastic for simplified installation Unique cover hinge allows unit to be installed right up to the ceiling Concealed wiring channel simplifies installation and hides wires Curtain mirror available (see below) MODELS ST-300D - Form ‘A’ alarm contact ST-301D - Form ‘A’ alarm contact & tamper switch ST-302D - Form ‘C’ alarm contact & tamper switch ST-M3 - Optional curtain mirror