This is a power converter or transformer that can be used as a step up transformer in 110/120 volt countries or as a step down transformer in 220/230/240 volt countries. This heavy duty power converter transformer can be used for continuous duty. It will convert voltages of 220-240 volts to 110-120 and will also convert voltages from 110-120 to 220-240 volts. The 220/230/240 volt output receptacle is universal and will accept all foreign plugs except the very large plugs used in South Africa and parts of India. The input cord plug is a North American style grounded plug that, with the appropriate plug adapter, can be used in any country in the world. The manufacturer's of all power converter transformers recommend that they not be loaded continuously to more than 90% of their capacity. Transformers cannot change frequency

The 300 Watt Power Converter Transformer Features are: