Shallow 1 in deep back cover for easy installation|Matching Fassada gloss wallplates available for 1-gang to 3-gang sizes|Power failure memory|Superior RFI suppression|Lutron controls are rated at 120 VAC, 60 Hz unless otherwise noted|The toggle style switch automatically returns to your favorite pre-selected light level and the C-L models with HED technology improve dimming performance of dimmable CFLs and LEDs compared to standard dimmers|Wallplates not included, order separately|HED technology advanced Lutron dimming circuitry designed for compatibility with most high efficacy light bulbs|To control dimmable compact fluorescent load (CFL) with integrated ballast, dimmable LED with integrated driver, halogen, incandescent|Low end adjustment to accommodate a wide range of bulbs|100 Percent factory tested|Tested on 1,000s of bulbs and dozens of brands for flicker-free dimming|Provides over 250 lighting levels so you can create the perfect light for any activity|Lutron patented technology to optimize the dim range of your bulb and prevent interference with other dimmers in the home|Can be used in single-pole or 3-Way applications, where lights are controlled from one or two locations|Small slider dims and brightens the lights