The electricity supply is 220-240 volts, 50 Hz. The connection (plug) for appliances is a 15 amp round three-prong plug or a 5 amp round two-prong plug.

three-prong two-prong
The wall plugs are not compatible with the UK, the USA or the East, special adapters are available in most airport duty free shops and electrical appliance shops. US-made appliances may need a transformer.