... factor saver,30kw high quality power saver for home use with Euro,USA,UK plugWork StatusSuitable for families, commercial area ... or the place with single phase electric socket Voltage90V-250V ACFrequency50/60HzLoad30KWSuitable temperature ... , reduces7. Have gained CE&ISO certification8.5-10years use life9.silver,blue,black,gold color for choose10.Easy ...