1,mini MIG welding 2,single phase DC, 3,portable,4,fan-cooled 5,Weld in gas and gas mode ... speed control Description1,mini MIG welding2,single phase DC, 3,portable,4,fan-cooled, 5,Weld in gas and gas mode ... ,6,stepless wire speed control. Features:Single-phase,portable,fan-cooled wire welding machine for MIG/MAG(gas) welding.With thermal protection ...