Occupancy Sensor lighting control, Ceiling Mounted, Ultrasonic only, 24VDC, 25mA power consumption, 500 sq ft, 180 degree (major motion: 23'Lx23'W, minor motion 17'Lx17'W), green LED, auto adapting, walk-through, time delay 30s-30m, test mode (6s time delay for 15m with auto exit), connect gray wire for photocell ambient light hold-off, 360 degree harmonic wheel (rotatable), mounting height 8'-10', PIR, cUL/NOM/ANCE listed, CEC Title 24 compliant. Color: off-white.