Most electronics are dual voltage meaning that they work with electricity (110/220) around the world. But the plug outlets are different. This international adapter is all you need. Plug your two or three prong plug into the back and find the right adapter to fit into the wall. Europe, UK, Australia, Japan, North/South America, Asia, Africa, Middle East. Instruction card to show what works where. Always check with manufactuer to see if your device is dual voltage. PLUS, two USB ports to charge two phones or devices at one time.