1.Advanced inverter technology, reduced size and weight, easy to carry. 2.Novel and effecitive, and low cost; 3. Three functions in one machine, tig welding, mma welding and air plasma cutting 4. Compact and easy for operation. 5. 揇?Series are for 110/220 duel voltage input, automatic input voltage changing 6. Complete accessories: welding torch, welding cable,earth clamp, welding holder, ,cutting torch ,carton box