Save energy and extend bulb life as you dim with Lutron's Glyder dimmer. This traditional style dimmer features a large slide knob that turns your light on/off, and slides up to brighten or down to dim. Dim the lights just 25% to save 20% electricity and extend bulb life 4 times. Installs in as little as 15 minutes - just like a standard switch. Coordinating Fassada wallplate sold separately.