Fire Fly firing chamber size: 6 1/2" wide X 9" deep, 4 sided, .22 cubic feet, 120 volt, 13 amp. 1.56 K.W. maximum cone 10. Easy to operate and has a Dawson Kiln Sitter as a standard feature for cone firing which will shut the kiln off automatically. This is a great little kiln for fast firing porcelain in about 1 1/2 hours. Easily fires earthenware and stoneware. China paints will fire in approximately 20 minutes, no reason to hold off firing that one item, waiting for a "full kiln load". No end to what you do with this little kiln, golds, decals, and glaze firing are fast and easy. Plugs in anywhere. Kiln is dropshipped via UPS.