Legrand-Pass & Seymour 94084I 94084-Wv 1.5A Slide Fan Control Since the development of variable Fan speed controls, many fans have made an annoying humming noise when their speed was reduced Through the use of specially designed capacitive circuitry, these units can control fans at 3- or 4-Speed levels in slide, rotary, and dual styles with virtually no Fan motor noise Fan speed control, rotary/3speed/1.5Amp, white