415FgxAm8aL.jpg_BO30,255,255,。Amazon.co.jp: AUTO STAC SU750 変圧器 ステップアップトランス。Amazon.co.jp: 変圧器 100v 220v昇圧 降圧 電圧変換器 750W 入力。Amazon.co.jp: AUTO STAC SU1500 変圧器 ステップアップトランス。Bought new last year, and only used once or twice.This device boosts the voltage from 100V to 110V, 220V, 240V. It is useful to use foreign-made electrical products in Japan. Universal sockets corresponding to plugs of various countries. Just it plug in and turn on the power switch. Very easy.Please use it within the maximum capacity of 750W. Size: 20x17x14cm Weight: 5.2kg