Features:1.Advanced(MOSFET)inverter technology with high duty cycle;large output power;start welding easily;deep welding pentration.2.Hot start,Website:http://www.welldo-weld.com,arc force,over load protection;no noisy and little spatter.3.Compact;portable;high effective and low consumption;stable welding current.4.Fan-cooled;lightness and energy-saving.5.Digital display.6.3 PCB boards surface coated with insulating paint for preventing erosion by humid and corrosive gases.7.Applicable for welding of all kinds of ferrous matals such as low carbon steel,medium carbon steel and alloy steel,etc.8.Complete accessories--electrode holder and earth clamp with cable,mask,brush and carton box. 9.Big Ampere ,professional for industrial using ,strong power.