Wattstopper PW-200-I 800/1200W, 120/277V Motion Sensor Passive Infrared Wall Switch Sensor, Ivory Detection signature processing eliminates false triggers and provides immunity to RFI and EMI zero-crossing for long relay life Vandal resistant lens combines precise coverage with durability choice of manual-on or auto-on operation Selectable walk-through mode turns lights off three minutes after the room is initially occupied If no motion is detected after the first 30 seconds Test mode allows quick and easy adjustments LED indicates occupancy detection selectable audible and/or visual alerts Wattstopper PW-200-I Motion Sensor, Passive Infrared Wall Switch Sensor, 800/1200W, 120/277V - Ivory