... 4,220 voltage ST-601A steam iron1.adopts CCC certification and CQC certification,.2.voltage is 220v/110v3.steam valve category :press type4 ... power ,It improves in substantial increase at the amount of steam. It also have beauteful anti-hot plate, prevent heat transfer ... long life ,Stainless steel soleplate, Elegant appearance P,H ,T Super Function.The shroud of steam pipes. ST-601A steam iron(P,H,T)