Features: Minimized; portable Energy-saving Excellent arc-starting Stable arc; Reduced spatter Deep welding penetration Automatical protections against over-voltage and over-current Suitable for welding various basic welding rods. Can weld cellulose rod. Specifications: Item MMA85M MMA110S Input voltage(v) 230 230 Input voltage frequency(HZ) 50/60 50/60 Rated input power(KVA) 2.4 3.4 NO-loadvoltage(v) 76 76 Output current range(A) 5-85 10-110 Rated output voltang(v) 23.4 24.4 Duty cycle(%) 25 15 Efficiency(%) 85 85 Insulation class F F Protection class IP21S IP21S Packing size(cm) 24.5x11.5x14 24.5x11.5x14 Weight(kg) 2.3 2.3