Features95% relative humidity, non-condensing, for indoor use only environmental conditionsThis passive infrared (PIR) occupancy sensor automatically turns lighting on and off based on occupancyThe sensor mounts on the ceiling with a flat, low profile appearance and provides 360 deg of coverageDetection signature analysis eliminates false triggers and provides immunity to RFI and EMIWalk through mode turns lights off 3 min after the area is initially occupied - ideal for brief visits such as mail deliveryBuilt-in light level sensor featuring simple, one step setupZero crossing for long relay lifeDip switch simplifies sensor adjustmentsClip mounting system makes ceiling tile installation simpleUses existing line voltage wiring and doesn't require a power pack0 to 800 W ballast/tungsten/LED, 0 to 1200 W ballast led, 0 to 1500 W ballast led load ratingBallast load type0 to 800 W at 120 VAC, 0 to 1200 W at 230 VAC, 0 to 1500 W at 277 VACNo power pack requiredMagnetic low voltage