1. Three function: : MMA welding, TIG welding, Plasma Cutting 2. Digital Function shift, easy for operation. It's economic and durable. 3. For TIG welding: find arc strike function, with stable arc, appplicable for welding of each metal material 4. For MMA welding applicable for electrode of ª¦2.5 ~3.2, easy to strike arc, and keep stable current. 5. It's small, light, movalbe, high efficiency and engergy-saving. 6. With CSA, CE certifiate, accepted for Cananda, USA and european countires One set in one carton:290*530*340mm, including accessories 20kg.