This is our smallest inverter. It powers from 1 to 10 feet of our High Bright EL Wire at 12v, or 1 to 4 feet with 9v. It comes with our “Quick-Connector” so you may easily interchange any EL wire to different lengths or colors. This inverter is perfect for small automotive and hobby uses. Just wire to any 9 or 12 volt DC power source Approximate dimensions: 1" x 1/2" x 3/4", weight: about 1 ounce.