PowerBright VC100J 100W Step Up & Down Japan Transformer, Power ON/OFF Switch, Can be used in 120 volt countries and 100 volt countries, Convert from 120 volt to 100 volt AND 100 volt to 120 volt Power ON/OFF Switch Provides a maximum of 100 watts Convert from 120 volt to 100 volt AND 100 volt to 120 volt Dimensions (W x H x D): 3.7" x 5.2" x 3.5" Weight: 3.52 lbs