Leviton OSSMT-MDW Ultrasonic/Infrared Wall Switch Sensor, White Self-adaptive technology: callbacks for adjustment are eliminated, time delay and sensitivity settings are continually adjusted to occupant patterns of use in auto adapt mode 2405 square feet of major coverage, 400 square feet of minor coverage Exclusive automatic "walk-through" sensing increases energy savings by shutting lights within 2 1/2 minutes after momentary occupancy Ideal for private and executive offices, conference rooms, storage areas, restrooms, classrooms, lounges, and training areas, or areas where minor motion is likely to occur Fast, simple installation: fits in a standard wall box and replaces a single-pole wall-switch