IGBT technology DC fan cooled,lightness,energy saving & portable Anti-stick lift TIG/MMA ARC force,no noisy & little spatter 1. ... sticking6. Thermostatic,overvoltage,undervoltage,overcurrent protections 7. Usable electrodes:Rutile,basic,stainless steel,cast iron,etc.8. Lift TIG/MMA9.Complete ... .8MMA-200H230V10-200A67V46A200A-60%231.6-5.07.3 anti-stick IGBT ARC welder(200A)-professional manufacturer