Lutron Rotary Dimmer Switch for Incandescent and Halogen Bulbs, Single-Pole, Ivory Works with up to 600-Watts of Incandescent and Halogen Bulbs Features a Rotary knob to turn lights on/off or dim/brighten to suit any activity For use in single-pole applications Installs in as little as 15 minutes Includes (1) Rotary Dimmer; coordinating Fassada wallplate sold separately