This adapter will let you plug into a US 2-prong power adapter in the following locations:Germany, Austria, Italy, the Netherlands, Belgium, France, Spain, Portugal, Denmark, Norway, Sweden, Finland, Greece, Turkey, Israel, Poland, the Czech Republic, Slovakia, Hungary, Rumania, Bulgaria, and Russia. Also used in the Middle East, most of Africa, South American and many developing nations.Compatible with all the power adapters Adafruit carries as all are 110-240V compatible!