Feature: Gasless shield arc welding, MMA welding and self shield arc welding are available. Closed loop feedback control, constant voltage output, workable under network voltage fluctuation within ± 15%. Inverter frequency id 35 KHZ, greatly reducing the volume and weight of welder. Unique dynamic characteristic control circuit is used in gas shielded arc welding, stable arc, little spash, good ahping, efficent welding. Switching frequency is beyond audiorange, which almost eliminates noise pollution. Perfect For Home, Auto Repair Shop & Other Welding Shop Heavy Duty & Durable Adjustable Heating Only Ideal For Welding Carbon Steel Build In Cooling Fan Thermal Overload Protection Torch Features Built-In On / Off Safety Control CE Listed. Specifications Rated Input Voltage: 110V 220V Operation: No Gas Duty Cycle: 40% Welding Current: 10-120amp Max Open Voltage: 110V 220V TIG torch not include. Package Include: 1x MIG Welder 1x MIG Torch 1x Flux Core Wire 1x Electrode Holder 1x Earth Clamp 1X 110V 220V Cable Adapter 1 X welding brush/ hammer.