1.DC inverter manual arc welder. 2.arc 200b inverter welder could save electricity about 50%. 3.1 year warranty. Functions and featuresSmall in size, light in weight, easy to carry and operate, economical, durable and reliableStable performance, voltage fluctuation automatic compensationStable voltaic arc, deep weld pool, elegant welding formationLow non-load energy consumption, saving ...