This is Step down grounded transformer with a round pin European / shucko plug also good for the recessed outlets in Europe. It is meant for travel to 220V/240V Countries. It allows the use of american 110V products in 220V countries. It has a maximum capacity of 150 Watts. Ideal for laptops, handheld video games, charging phones, cameras, camcorders, iPods or with CD players, DVD players, shavers, razors etc. to be used in most european & asian countries that use a B-type round pin plug. This converter is for light duty use. Please DO NOT use hair dryers, coffee makers, flat irons or other household kitchen appliances or tools with this converter. Converts 220/240V overseas power down to 110/120V. There is a On/Off Switch provided. Fuse Protected. TRANSFORMER PURCHASE GUIDE: Remember to leave at least a 100% slack for the transformer, Heating appliances, laser printers and power tools spike when you turn them on. For these products you need to buy a transformer that is at least 3 times the items capacity.