Fixture mount passive infrared high/low bay occupancy sensor, time delay 30 sec to 30 min, (2) interchangeable, adjustable 360 deg lenses, the high bay PIR lens provides 1.51 spacing to mounting height coverage for 21 to 40 ft, the low bay lens provides 21 spacing to mounting height coverage for 13 to 20 ft, 347 VAC, UL Listed, meets energy code requirements for ASHRAE 90.1 and Title 24.