1 small size, light in weight. Loer energy consumptiom. 2 good arc-starting and arx-force. Workablr against distrub. 3 stable arc, little spatter. 4 good welding quality, deep melting pool, reliable effect. 5 slef-protection against over voltage and over current. 6 stable performance, continiuous work, automatic compensation for voltage fluctuation. 7 stable for welding with different kinds of acidic and basic rod. Carton
