Specifications:Input voltage: 110V / 60HZWelding voltage: 40VInput power: 100WWelding current: 50A-600AInsurance tube: 250V / 2.0AWelding time: 3ms-30msProtection level: IP21Maximum welding frequency: 1HZSupply pressure: ≥0.1MPaMaximum argon consumption: 5L / minSize: 41*30.5*26cmWeight: 10kgFeatures:This product is a high quality pulsed argon arc welder with perfect welding to protect the items you need to weld.The product has the characteristics of small size, safety and stability, convenient operation and maintenance.Can be used for pure gold welding, cobalt chrome alloy welding, titanium welding and orthodontics, hardware workpiece welding, jewelry repair welding, dental welding, jewelry DIY production.Package Included:1x automatic CNC spot welder1x pedestal + handle1x welding loop clamp1x spot welding brush grinder1x pressure gauge1x tweezers1x trachea1x tungsten needle Thanks for shopping in NengceNaUS.If you have any questions, please feel free to contact us.