Maximum capacity 2000 Watts. This voltage converter can be used in 220 volt countries. It will convert from 220-240 volts to 110-120 volts. This is used to use 110 volt appliances in countries which have 220 volts. There is one universal output on the front of this unit to plug in your 110 V appliance. Insulated power cord is hard wired with European shucko plug adapter also good for Asian outlets. To use this unit in other countries please select the respective plug adapter needed.