Voltage & Sockets-Plugs Around the World app for iPhone and iPad

Ever wondered what is the voltage of the electricity
supply in France!
or what is the frequency used! or what are the sockets
and plugs used!
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This unique application illustrates all the needed information
about the electricity grid around the world covering:
1. Voltage
2. Frequency
3. Sockets
4. Plugs

So to know when traveling what are the electrical
equipment needed to go with the electrical system of the
country.
And to know what you need like adaptors, plugs,
and convertors.
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So this is very useful for your safety and efficiency
and the safety of your equipment, when traveling