Travel power converter

NWOT dual-wattage power converter. Never used. For North American devices that aren't dual voltage. Prongs on the back are for Europe. Comes with instructions. Please make sure you are aware of the difference between a converter and adapter before purchasing. I want to sell the item but want to make sure no one spend money unnecessarily. The item is for switching both the voltage and plug shape of an appliance, not just plug shape