... fan cooled for better performance single phase DC.weld in gas and gas mode. thermal overload protection fan cooled for better performance ... step votage control,for better welding heat control,with electronic gas balve supplied with mig torch, earth clamp,helmet brush and ... .6mm-1.2mm fuse:20A weight:37 external dimension:61x37x45 GAS &GASLESS MIG/MAG WELDING MACHINE (GL-MG195)