power saver,energy saver save electricity,house use plug in,metal housing load:0-30KW,voltage:90-250V CE&ISO certification Itempower saver,energy saverWork StatusSuitable for families, commercial area or the place with single phase electric socketVoltage90V-250V ACFrequency50/60HzLoad0-30KWSuitable temperature range-50-50Method of Power compensationAutomaticMain functions1. Save electricity2. ...