Lutron's original electronic dimmer, the Lutron DR-600R Rotary On/Off Single-Pole Dimmer features a classic rotary-style knob that easily adjusts light to your desired light level. First patented in 1959, this top-quality rotary knob dimmer has been updated to work well with your single-location incandescent and halogen bulbs. With a 600-watt capacity, 120-volt/60-hertz rating and a single-pole circuit, the Lutron D-600R is a favorite among contractors. This stylish, forward-thinking light control system is available in both white and ivory and comes with a one-year warranty. The wall plate portion is not included.