Lutron® Pico® Wireless Control Remote, 4-Button Standard Engraving, Series: PJ2, 2.6 in Length, 1.28 in Width, For Use With: Energi Savr Node™, Vive™ RadioRA® 2 RA2 Select Quantum® myRoom™ Prime and Plus Systems, Maestro® Caseta™ Wireless Controls, PowPak® Relay, CCO Modules, GRAFIK Eye® HomeWorks® Sivoia® QS Wireless Systems, Serena® RF Remote Control Shades, 3V CR2032 Battery Power Source, Plastic, Gloss White. The Pico® wireless remote is a flexible and easy to use device that allows the user to control Lutron® wireless load control devices from anywhere in the space. This battery operated control requires no external power or communication wiring.