3 In 1 No Gas Welding Machine AC 220V Inverter IP21S Three-purpose Airless Household Soldering Contact Welding Equipment Kit -The airless three-purpose body does not use gas shielded welding to manually weld the contact oxygen arc welding three-purpose body. One machine with three functions, super practical. Detailed display, humanized design, try our best to meet the needs and comfort of customers, the current adjustment knob adjusts the welding current. -Air outlet, air outlet design, good heat dissipation effect. -Output welding interface to input motor voltage and drive signal. -Suitable for a variety of construction environments, construction sites, bridge construction, and automobile manufacturing. Welding machine size: 280*152*205MM Welding machine weight: about 5.4KG Welding thickness: 0.5-5MM Welding wire capacity: limited to 1 kg Power factor: >0.87 Efficiency: >89% Input voltage: AC220V Protection level: IP21S Insulation class: H Welder*1 Integrated air protection gun*1 Ground wire*1 Protective cover*3 Conductive mouth*5 Slag hammer*1 Hand mask*1 Airless welding wire*2