Eaton SI10P-W-K 1000-Watt Single-Pole/3-Way Incandescent/Halogen/Magnetic Low-Voltage Dimmer with LED Indicator and Preset, White Operates loads up to 600W (incandescent/halogen) at 120-Volt To operate, simply use the integrated full-slide control for easy, precise settings The Square Law Dimming principles allows for intuitive operation so that the perceived dimming level is proportional to the sliders position With the 3-way set up, you can control one light from 2 locations (with a switch at the other end). Features include Radio Frequency Interference filtering for radio, audio, and video equipment, electrostatic discharge protection, and also power failure memory