SEVENSTAR sf 300 300watt 110v/220v 220v/110v Step Up/Down Automatic Transformer Adapter Seven Star SF300 300W 110v/220v 220v/110v Step Up/Down Automatic Transformer Adapter Convert 110/117/120V AC to 220/230/240V AC OR 220/230/240V AC to 110/117/120V AC Output Voltage LED Indicator, No need to set the input voltage - connect to any outlet in the world Universal Output Socket - Accept most plug types from around the world Thermal Fuse Protection with Reset Button (No need to replace fuses)