SOME KEY FEATURES • Multi-function digital control welding machine, features DC TIG, pulsed DC TIG, pulsed AC TIG, and MMA welding in one unit. • A simple design, small size, light weight and multilayer control circuit board ensures high reliability and longer service life. • Due to the secondary inverting technology, it features a pure square wave output, excellent arc force performance, and wide cleaning range to ensure high quality welding results. • It features excellent weld characteristics such as easy arc starting, reliable and stable arc performance. • The high frequency and high voltage arc ignition circuitry gives excellent arc starting with a 99.9% success rate and is suited for different types of spot welding. • Pulsed welding with adjustable pulse frequency, achieving high quality welding of thin metal sheet, dissimilar metal, materials of different thickness, and even the requirements of double-sided forming welds. • The foot control option can improve welding efficiency, and reduce welding difficulties to ensure welding quality. • Overheat protection improves high reliability of the machine.