Inverters, Arc/Mma, Mig, Tig, Trasformer Base, Regulator Type, Pin Type, Dc Rectifier, Spot, Ac/dc Tig, Saw, Tig, Arc/Mma Our Products MODEL- ARC 300 S Features : Do It Yourself at the comfort of your home with the way you like. Mosfet technology, the core adopts advanced Mosfet inverter device. Intelligent protection, over-loading and over-heating. Self-adaption of the hot arc makes you welding much easier. Anti-sticking preventing against over loading the unit easing removal of the electrode. SMT and Single Board technology-reliable quality. Portable with adjustable shoulder strap.