Transform any home into a smart home with the GE Smart Lighting Control Add-On Switch. This Add-On Switch replaces your current switch, uses existing wiring and provides your home with ultimate flexibility when combined with a GE Z-Wave, ZigBee or Bluetooth In-Wall Smart Switch, Dimmer or Fan Control. The GE Smart Lighting Control Switch operates as your home automation system primary control, requiring three-way or four-way wiring configurations.