Leviton Decora SureSlide dimmers provide smooth, slide-action, full-range dimming for incandescent and dimmable LED and CFL lamps. Featuring a pre-set ON/OFF switch, this device allows the user to set the desired brightness level to operate automatically with the ON/OFF function. The dimmer is designed specifically for dimmable light-emitting diodes (LED) and dimmable compact fluorescent (CFL) lamps; it is also compatible for use with incandescent lamps.