24VDC • Air Flow Compensation • Self AdjustingOccupancy Sensor, Ceiling Mounted, Ultrasonic only, 24VDC, 30mA power consumption, 2000 sq ft: 64'Lx32'W, minor motion: 45'Lx23'W), green LED, auto adapting, walk-through, time delay 30s-30m, test mode (6s time delay for 15m with auto exit), connect gray..