30KW high quality power saver for home use Euro,USA,UK plug save electricity %15 ... home use with Euro,USA,UK plugWork StatusSuitable for families, commercial area or the place with single phase electric ... reduces7. Have gained CE&ISO certification8.5-10years use life9.silver,blue,black,gold color for choose10.Easy ... to use,just plug to any socket,then ok. welcoem ...