There is a input voltage selection: 110v-120/220v-240V. Two are grounded US standard outlets designated for 120 volts only, one universal outlet and another German/French Schuko outlet for 220 volts only. For example, if you have an appliance rated at 1000 watts, you will need to pick a transformer with a maximum power of 1000 watts or greater.110V US standard x 2. 100% Full Loading Guarantee Heavy Duty Step Up/Down Voltage Converter Transformer (110-120V/ 220-240V). Dual Circuit Breakers Protection for Each Voltage (110-120V & 220-240V) 4 AC outlets including two 110V US standard, one 220V Universal and one German/French Schuko. Using advanced toroidal transformer technology, it is 20% lighter than traditional transformers. The toroidal transformer works without any annoying buzzing noise is more robust with 100% full power. No unhealthy chemical insulating paint odor, keeps indoor air still. The item "1000watt-3000Watt Voltage Converter Transformer Step Up/Down AC 110V 220V ITU" is in sale since Tuesday, March 13, 2018. This item is in the category "Home & Garden\Home Improvement\Electrical Supplies\Electrical Outlets, Switches & Accessories\Electrical Switches & Dimmers". The seller is "instapark-retail" and is located in Santa Fe Springs, California. This item can be shipped to United States, Canada, United Kingdom, China, Mexico, Germany, Japan, France, Australia, Russian federation, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay.