Leviton 6633-PLW Decora 3-Way Slide Dimmer with Preset Lighted Pad Option, White SureSlide Preset Electro-Mechanical Incandescent Slide Dimmer. This item is compatible with incandescent only. Preset versions provide single pole or 3-way lighting control when used with a 3-way switch Quiet Fan Speed Controls have special circuitry to reduce fan motor noise at low speeds. Full range 5 amp fan speed controls are available. Preset versions feature a separate on/off switch that preserves the selected brightness or fan speed setting Product is compatible with Incandescent only.