The electric current in Italy is 220V and the cycle is 50Hz. Though voltage may vary, in most cities and towns it is either 125 or 220. Check the local voltage with the hotel before using electrical appliances.
Plugs have prongs that are round, not flat, making an adapter plug necessary. International adapters can be found in the major electric shops as well as UK airports.
Power sockets have two or three holes and do not have their own switches, while plugs have two or three round pins. Some sockets have larger holes than others.