... with MOSFET inverter technology,high frequency arc-starting,strong welding permeability and beautiful surface.♦ Easy arc starting,steady welding current,less noise,small splash ... ,good look of welding seam.♦ High duty cycle,Can work ... *205*380540*205*380620*310*480 TIG/MMA INVERTER DC/AC WELDER/WElDING MACHINE