DC Inverter MMA welding machine: reliable quality, reasonable price,portable, digital current show, wide adjustable output curre SpecificationsDC Inverter MMA welding machine ParametersModelARC-160ARC-200SARC-250SRated ... -current and over-heat.6. Small in size, light in weight, high efficiency, energy saving, durable and economical. DC Inverter MMA welding machine ...