Machine features: Easy operation, light weight and easy portability Pulse performance, especially for welding thin plates Low power consumption up to 75% compared to other similar devices Suitable for welding thin plates, hard and delicate work Constant welding current, very low welding sound, low welding spray Ability to continuously adjust the shock wave and suitable for automatic welding Advanced inverter technology, multifunction Ability to connect to a generator     Model 250 Power Voltage (V) 220 Flow range 250 ~ 10 Permissible output voltage 18 Efficiency (%) 85 Duty Cycle (%) 60 Max No load Voltage 56 Arc setup method HF Max Current (A) 200@60% Useable electrode 1.6~4.0 Instalation class F Protection class IP21S Weight (KG) 10