¡ñIGBTtechnology,thecoreadoptsadvancedIGBTinverterdevice. ·Wide range forinputvoltage:380V±15%. ·Digitalmetertopresetanddisplayweldingcurrent. ·Dust-Free Cooling System can Upgraded Duty Cycle. ·Arcforceand Hotstartadjustable,easytostrikethearc. ·VRDfunction,it is safe for welders. ¡ñRemote control function (optional),enlarge your welding Area,easytooperate. ·Energy Saving-Moreefficientcompared withthetraditionalSCRmachine.