Lutron Electronics GL-603PH-DK Gl-Yarder White/Ivory Dimmer 600-Watt Residential
Includes control and 2 large slide knobs (white and ivory) 3-way dimmers require 3-way switches Features power failure memory, RFI suppression Rated at 120 volt AC, 60Hz, works with 120 volt incandescents and halogens Wall plate sold separately 3-way Knob colors: Ivory and White