... MMA Welder TIG(WS)200S LED Digit show function Have the LED Digit show function Little spatter,good welding surface TIG/MMA Welder ... TIG(WS)200S(1)Small size, light weght,ideal easy to carry MMA/TIG welding machine (2)High freqency ... striking,easy to operate, strong welding permeability The MMA welding machine installs arc thrust adjusting function,easy for acr striking , ...