Step Down Converter - Maximum capacity 200 watts including power surge. Converts 220/240V to 110/120V. Use 110V American products overseas with 220V/240V. Led indicator light Fuse protected Ideal for charging Blackberry, iPods, Phones, Cameras, Laptops, Hand held games, fax machines, and light portable equipment. Do not use with hair dryers, hair straighteners, heating appliances, power tools and big household appliances.