... 2.one year warranty 3.CCC certification MMA ZX7-200M Inverter DC arc welding machine1.portable and light2.one year ... place, suitable for decoration and maintenance industry.2.MOS inverter technology, low power consumption, high frequency, high efficiency, low noise, good ... Voltage(V)220Rated Input Frequency(HZ)1-50HZ/60HZRated Input Power (KVA)6.3KVACurrent Adjustment Range (A)15-200AOut voltage ...