Leviton 6621-PW Dimmer Switch, 600W Single-Pole Incandescent Decora SureSlide Light Dimmer w/ Preset - White All SureSlide devices have an integrated linear full range slide control for easy, precise operation Preset versions feature a separate on/off switch that preserves the selected brightness Dimmers and fan speed controls feature elegant designer styling that coordinates perfectly with Leviton's extensive line of Decora wiring devices and wallplates Illuminated versions feature optional use locator light Slim compact housing fits easily into standard wallbox and is suitable for multi-gang installa