TIG and ARC Welding Function Industrial Type Digital Amp Meter for Precision International Brand SPECIFICATIONS: -Power Voltage (v) : Single Phase ACC220V±15% -Rated Input Current : 18.5 -Output Current : 20-300 -Rated Working Voltage : 22 -No-Load Voltage : 54 -Duty Cycle : 60 -No-Load Loss : 60 -Efficiency% : 85% -Power Factor : 0.93 -Max Welding Thickness : 0.3-8mm Picture is for reference only. Actual item may vary.