The Lutron Radio LRF2-OCR2B-P-WH Powr Savr Wireless Occupancy/Vacancy Ceiling Sensor is a smart home ceiling sensor designed to detect occupancy or vacancy in a room automatically. It is compatible with the Lutron Powr Savr LRF2-OCR2B-P-WH model and is perfect for monitoring energy consumption and adjusting lighting levels accordingly. The wireless technology used by this sensor allows for easy installation and reliable operation without the need for any additional wiring. This product is ideal for creating a more energy-efficient and convenient home environment.