Lutron Deep Back Cover Maestro Switch with Occupancy/Vacancy Sensor White (MS-OPS6M2N-DV-WH) Passive infrared motion detection with exclusive Lutron xct technology for fine motion detection 180 degree sensor field-of-view Neutral wire is required Occupancy version can be set to auto-on/auto-off or manual-on/auto-off Vacancy version available to meet CA Title 24 requirements