Harmony Tru-Universal DimmerThe Pass & Seymour Harmony Tru-Universal Dimmerdoes something today’s other so-called universaldimmers don’t: it simply works — with every lamp,every load, and every fixture on typical residentialand light commercial wiring.Self calibration allows users to select lamp type to eliminate flickeringSingle Pole/3-WayOn/Off decora switch with silder for easy dimming controlUse with standard size decora wallplateGreen LED glows when off to make dimmers to find in the dark700W max if used with Incandescent, Halogen, Electronic Low Voltage500W Max if used with Magnetic Low Voltage450W Max if used with LED, CFLFinishes Includes three interchangable faces: White, Ivory, Light Almond