Enerlites MWOS-W Motion Sensor Switch, Ultrasonic and PIR Dual Technology, Occupancy Sensor, Motion Sensor Light Switch, NEUTRAL WIRE REQUIRED, Wall Plate Included, White Dual technology motion light switch combines passive infrared (PIR) and ultrasonic sensors in one sensor switch for enhanced accuracy and to detect fine motion, such as typing, reading, etc Combination of PIR and ultrasonic sensors eliminates false positives by preventing lights from shutting off when the room is still occupied Ideal for private or executive offices, meeting rooms, restrooms, libraries, classrooms, and other spaces where limited movement is likely to occur to ensure the light does not shut off by itself Customizable settings, such as adjustable time delay, detection range, light level. Change between occupancy/vacancy modes and set different PIR/ultrasonic trigger modes and levels Neutral wire required for installation. Single-pole use only. 120/277VAC. Incandescent: 800W. Major movement coverage: 1200sq ft., Minor movement coverage: 400sq ft. UL listed. Decorator wall plate included