Dimmer Switch with Integrated 12V 40-Watt LED Driver and DimmerThe Kichler LED Driver and Dimmer simplifies installation and system compatibility by integrating the driver with the dimmer switch. This two in one product can convert 120V AC to 12V DC, as well as dim from 100 percent to 1 percent. Simply connect to both your high voltage input and low voltage output, and install with a standard single gang box to the wall to power Kichler 12V LED Tape and Accent Discs. Dimensions: 2" wide x 2" long x 4" high