The Decora Smart Wired Switch Companion is designed for use in 3-way and multi-way applications in up to 9 additional locations so multiple switches can control the same light fixture or ceiling fan. The Wired Switch Companion requires a compatible Leviton Decora Smart, Decora Digital or Decora, switch, dimmer or fan speed control to function. It is compatible with Leviton Decora standard and screwless wallplates (sold separately). Neutral wire or load side wiring for installation, for use with 120VAC applications. White face assembled on device with light almond faceplate included. Change the color of the companion at any time by ordering a new faceplate (DDKIT-S) in white, ivory, light almond, gray, black and brown color options.