The standard voltage: 230V, frequency 50Hz.
Plug type: C, D, F and G.
Type C: also known as the standard "Euro" plug. This socket also works with plug E and plug F.
Type D: mainly used in India, Sri Lanka, Nepal, and some African countries. This socket only works with plug D.
Type F: also known as "Schuko". This socket also works with plug C and plug E.
Type G: this type is of British origin. This socket only works with plug G.