Strata 200A Compact Synergic MIG MMA TIG Welding Machine B 12809 built in LED lights for CTSSU004.2 built in LED lights for improved visibility of the cut line 940533 C 3 4 in IMPACT SOCKET DIN METRIC 33MM voltage and current sensors for increased reliability and safety Reversable polarity for gas & gasless MIG welding IGBT inverter technology for smooth & stable welding output and increased reliability Gas and Gasless wire set up MIG waveform (inductance) control of the arc for smooth welding results Compact (550x215x415mm) and portable at only 20 ideal for portable applications MIG spot welding function with 2T 4T trigger control Great control MIG welding with adjustable pre flow