1. DC arc, DC stick, MMA welding. 2. Simple TIG 3. Memory parameter 4. input voltage +15%~-20% 5. CCC,CE FEATURES:1. Adopt international standard digital control IGBT inverter technology, use microprocessor to control accurately, stable arc by constant current characteristice.2.Control panel compact, soft contact key and digital display make easily to adjust, can memory ten group welding ...