The Leviton L02-6643-W is a three-way toggle dimmer, allowing you to control a circuit from multiple positions. For example, you can control a light from the top and bottom of a stairway, either end of a long hallway, or multiple doorways into a large room. It is a residential grade toggle dimmer, perfect for any room in your home. In addition, this electro-mechanical toggle dimmer has a voltage rating of 120 VAC at 60 Hz and load rating of 600 Watts. It has ON/OFF standard action, and offers filter protection to radio/TV. It is ideal for incandescent load type. Wall plate is sold separately.