1.Butterfly design=Hot Sales! 2.Large spot size optional(15*50mm2) 3.12000UF capacitor big power 4.13 main languages,10 background option interface, USB available. 5.High end "plug and play" handle 6.Magnetic drive pump controlled water circulation: lower noise, longer lifetime. 7.The radiator is made from the copper 8.Integrated surface cooling makes treatment safe and comfortable 9.IC management Card is available 10.FDA、CE&CE Medical approved. .