Fan control and dimmer switch. Compatible with incandescent, CFL (compact fluorescent), halogen, and LED (light emitting diode) light bulbs. Easy button press to set optimal dim range. Includes 4 quiet fan speeds, plus off. Single pole application only. Coordinating wallplate sold separately. For use with up to 250-watt incandescent or halogen, and up to 75-watt CFL or LED.