You can use the power cable while visiting Europe or use to power device from USA in Europe. Ideal for Laptop notebook computer's adapter and many more electronics using the 3 prong power cord (IEC320 C5) power connector. The other end (CEE 7/7) features a European type plug. Get better power contact compare to using an international travel plug. Standards: Standards: VDE, ENEC, IMQ, KEMA, OVE, CEBEC, +S, DEMKO, SEMKO, NEMKO, FIMKO, ISO 9001:2000 manufacturer. Note: Please make sure proper voltage switched / international compatibility checked on the device before plug in. Cable only transfer power and does not convert voltage.