Pico wireless control makes it easy to control lights via RF and is ideal for single room or small space applications. Pico works with the Maestro Wireless family of dimmers and switches, making it ideal for creating a wireless three-way application by mounting to the wall, without pulling any wires.

For more information:

http://www.lutron.com/cms400/GrafikeyeQS/PicoWirelessControl.aspx