... 2.continuous stable performance 3.auto protection Inverter DC ARC Welding Machine MMA1201,uses the limitless adjustment,the easy to operate ... durable reliable2,The electric arc is stable,the molten bath easy to control.the welded joint forming is artistic.has pressed ... consumption is smaller than 10w,compares with the fraditional welding machine,saves electrical energy 50%5,Suits professions and so ...