This plug adapter is for American electronics devices that have 2 flat parallel prongs and converts them to the European style with 2 round prongs. Most electronic devices have a 110v-220v transformer or dual voltage (110/220 VAC) for worldwide use.If your devices have it, all you have to do is simply plug this adapter and you can use it in Europe. Note : This adapter does NOT CONVERT the Voltage. This is NOT A TRANSFORMER!!Material: Metal + PlasticPackage included: 1X Travel USA to Europe Power Plug AdapterNote:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.