Use it when you travel from continental Europe to the US. Perfect for visitors with Schuko 2-Pin electrical systems. No technical jargon here! This adapter is easy to use. It's suitable for France and other French electrical infrastructure countries. It has an earth socket for Belgium & France plugs. Technical specs: Manufactured under ISO 9001:2000 quality system or BS 5733/A, Max 7.5A, 110V - 250V.