The Wireless Occupancy Sensor from Lutron is designed for easy installation in offices, classrooms, or rooms of a house where automatic lighting shutoff is desired. The sensor has front-accessible buttons and user-replaceable batteries, which the manufacturer says are designed to last up to 10 years. As many as 10 dimmers or switches can communicate with the sensor via radio frequency. lutron.com

The Wireless Occupancy Sensor from Lutron is designed for easy installation in offices, classrooms, or rooms of a house where automatic lighting shutoff is desired. The sensor has front-accessible buttons and user-replaceable batteries, which the manufacturer says are designed to last up to 10 years. As many as 10 dimmers or switches can communicate with the sensor via radio frequency.
lutron.com