... .3,TIG,MMA,PLASMA CUT WITH ONE MACHINE 4.mosfect inverter technology. WELDING Detailed Product DescriptionMain Characteristics:Model: CT-312 (D ... ) , CT-416 (D) , CT-518 (D)1. Advanced inverter technology, reduced size and weight, easy to carry.2. Novel ... air plasma cutting4. Compact and easy for operation.5. "D" Series are for 110 / 220 duel voltage input, automatic input voltage ...