... High quality TC Step-up/down transformer,transformer,down transformer,power transformer,step up & down transformer TDGC,TSGC,Voltage regulator ... rated voltage range.Input voltage:AC110V or 220V with double-connector power cord output voltage:AC220V or 110VThe transfomer is ... anideal AC step-up/down power supply,with advantages of no wavform distortion,High efficiency,elegant ...