Tested on 1,000s of bulbs and dozens of brands for flicker-free dimming, Works with up to 150 Watts of dimmable LED/CFL bulbs or 600 Watts of Incandescent/Halogen bulbs, Lutron's patented technology optimizes the dim range of your bulb and prevents interference with other dimmers in the home, Can be used in single-pole or 3-Way/multi-location dimming applications (up to 10 locations, Maestro companion dimmer MA-RR-XX required), Programmable fade gradually turns lights on, allowing your eyes to adjust to the change in light, and gradually fade off, allowing time to exit a room before the lights turn off, Includes (1) Maestro LED+ (formerly C.L) Dimmer Switch; coordinating wallplate sold separately