The Gizzu Double USB 3-Prong Wall Charger allows for you to charge two of your devices directly from your wall plug simultaneously. This charger requires an input of 100-249V, which is within the standard for wall plugs. Its output of 5V and 2100mA means that your devices will be charged quickly and safely. This wall charger is compatible with most smartphones and other chargeable USB devices. The Gizzu Double USB 3-Prong Wall Charger is great for use when travelling within South Africa.