Intermatic CA600 InTouch Wireless 600-Watt Wall Dimmable Switch, White, Ivory or Light Almond Multiple location dimming when used with wireless accessory controls Multiple location on/off control using conventional three-way or foru-way wiring and devices Lights fade up or down when turned on or off Automatically returns to last level in the event of power fluctuations Includes three interchangeable faceplates (white, ivory and light almond). These do not work with LED bulbs. Only for incandescent lights