Lutron, AYCL-153P-WH, Dimmer Switch, 3-Way Traditional Style, Series: Ariadni, 120 V AC, 150/600 W Power, 60 Hz Frequency, 1 Pole, CFL/Halogen/Incandescent/LED Lamp, Preset Start, Operation Mode: Slide-to-Bright/Dim, Toggle Control, Wall Mounting, Push-In/Screw Terminal, 0 to 40 deg C, Plastic, White, 4.6 in H x 2.86 in W x 0.23 in D Dimensions