Adopts IGBT-Inverter technology .
Input Voltage: 220v/230v
Frequency: 50hz
Current Range: 20~140A
Input Capacity: 4.2kw
Duty Cycle: 60%
Applied Welding Rod: 1.6~3.2mm
Complete accessories: electrode holder, earth clamp, welding cable, protective mask, hammer/brush.
Plastic case or Carton box package