Lutron Radio Powr Savr Wireless Occupancy/Vacancy Sensor is battery-powered, passive infrared (PIR) sensors that automatically control lights via RF communication to compatible dimming and switching devices. These sensors detect the heat from people moving within an area to determine when the space is occupied. The sensors then wirelessly transmit the appropriate commands to the associated dimming and switching devices to turn the lights on or off automatically. Wireless occupancy sensor has 3 settings available Auto-On/Auto-Off, Auto-On Low-Light/Auto-Off, and Manual-On/Auto-Off. Auto-On Low-Light feature will turn lights on automatically only if there is less than approximately 10 Lux of ambient light. Vacancy-only model available to meet California Title 24 requirements. Uses Clear Connect® technology. Passive infrared motion detection with exclusive Lutron® XCTTM Technology for fine motion detection. 360? coverage ranges from 324 ft2 (30.2 m2) to 676 ft2, depending on mounting height. Simple and intuitive adjustments available for Timeout, Auto-On, and Activity settings. Supports advanced occupancy features, such as dependent occupancy groups and customizable occupied/unoccupied pre sets in some systems. Multiple sensors can be added for extended coverage. Refer to product specification submittal of receiving device to determine system limits. Lens illuminates during test mode to verify ideal locations. Multiple ceiling-mount methods available for different ceiling materials. Front accessible test buttons make programming easy. They combine both convenience and exceptional energy savings potential along with ease of installation.