The PANTHER Auto Transformer PT-2078-SA is a Copper Wound Step Down Transformer from 220 Volts to 110 Volts/60Hz and has a Maximum Capacity of 150 Watts, hence it is the equipment of choice for U.S. originated appliances. This is the WHITE Series that comes with additional features on top of the Standard Black Models: For you added convenience and improved safety it is equipped with a Switch and with a Fuse. Other features are: Scratch Proofed Casing Fire Retardant Outlets Silicon El Core