■ Inverter IGBT technology. 
■ Energy saving, with strong ability in wide range adaption of power grid. 
■ With multiple safety protection function. 
■ Digital logic circuit for control parts; High reliability and excellent welding. 
■ Good dynamic characteristics, low spatter and easy ignition. 
■ Light weight and portable. 
■ Wireless remote controller is allowed for current adjustment when long-distance and high altitude working.