The Telwin Welding Machine DIGITAL MIG 330 Description: Automatic setting of wire speed according to the features of the material being welded, the shielding gas and the wire diameter;Monitoring of power voltage supply; 2/4 strokes, spot operations; Automatic torch recognition; Regulation of wire speed up slope, post gas time, wire burn-back time; Use with spool gun torch; thermostatic protectiont.