Wide Slide Dimmer, Works With Select Dimmable CFL, LED Or Incandescent Lighting Loads, Features A Sleek, Sculpted Ergonomic Design For Smooth, Easy Operation & Precise Control, Combines On Off Decorator Style Switch With Separate Slider For Dimming Control, Constant Memory Returns Lights To Previous Level After A Power Failure, Sleek, Single Pole Operation,Screw Pressure Plate Back Wire Terminals, Rating, 450W LED & CFL, 700W Incandescent, 120VAC 60HZ.