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The Intermatic Occupancy Sensing Switch detects occupancy and vacancy in a room, automatically turning the lights on when someone enters and off when they leave to help save energy.
The switch uses a passive infrared (PIR) occupancy sensor to detect activity in a range 20 feet to the side and 40 feet ahead. The time delay period and the sensitivity level are both adjustable. The switch, switch plate cover, and mounting screws are all included.