Product Description 160amp AC DC Pulse TIG MMA welder and 40amp Plasma Cutter Suitable for stainless steel, titanium, copper, aluminum alloy and other metals welding. Built In Gas Solenoid Valve for the argon Argon Regulator with Bubble Flow Meter Power Voltage: AC240+5%, 50Hz Rated Input Current: 22 Power Capacitance: 4.8 KVA Rated Output Current: 160A Range Of Output Current: 20-160A (15-40A) No-Load Voltage: 56V (220V) Working Voltage: 28V (100V) Pre-Flow (s): 0-2 AC Output Frequency (Hz): 60 Clean Width (%) : 20-60 Slope-Down Time (s): 0-5 Tail-Gas Time (s): 2-10 Remote Control: YES Arc-Leading: HF Vibration Efficiency (%): 85 Rated Duty Cycle (%): 60 Power Factor:0.93 Insulation Class B Protection Class: IP21 Max Welding Thickness (mm): 9 mm Steel (8 mm Aluminium) Max Cutting Thickness (mm): 12mm (16mm in ideal conditions)