Lutron MA-L3L3-WH Maestro 300W Single Pole Dual Dimmer, White •Replacement for stacked switches •Combines all the capabilities of two Maestro dimmers in the space of one control •Tap on to favorite light level; tap off •Tap twice for full on •Installs in as little as 15 minutes - just like a standard switch Need more information on this product? Click here to ask. Dimensions: 0.3″ x 2.94″ x 4.69″.