The Savant Echo Wireless Dial Keypad - Switch is designed to replace traditional switches with intuitive, multi-button scene control and a dial for familiar and quick control. Dial can be configured to act as a dimmer or volume adjustor. Buttons on the Dial Keypad - Switch can be programmed to activate scenes including lighting, shades, climate, AV and other services. Faceplates and optional button engraving sold separately.