Stiebel Eltron 2.65 gallon, 1300 watt hot water on demand. Low draw of 11.3 Amps so only requires 15 Amp circuit as compared to most heaters that require larger circuits of 30A or more. Compact, 18" tall X 11" diameter, easy installation Great for home, shop, office... New, still in box. Have one of there units in use and works great.