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.