The Lutron RadioRA 2 Maestro dimmer is a phase-selectable, neutral optional dimmer control for LED, CFL, incandescent or halogen lighting. RadioRA 2 Maestro dimmers incorporate advanced features such as fade-on / fade-off, delayed long fade-to-off, and rapid full-on modes. Includes a front accessible service switch (FASS) for safe lamp replacement. Installs in single pole or multi-location applications. Use Lutron designer (claro or satin colors) wall plates or designer-style wall plates from other manufacturers (sold separately) with this dimmer.