ZX7-200 Inverter MMA portable welder: Advanced Inverter technology adopted portable, high efficiency, low price energy saved ZX7-200 Inverter MMA Portable Welder Feature and Application ... pressure, over load etc, secure and reliable.5.Compact and portable, best for outdoor movable working and high altitude working.6 ... Rod(mm)2.5/3.2Range of Current(A)20-200