1. Adopt with advanced MOS/IGBT inverter technology, save energy, protect the environment, light and compact, portable, accord with CE, EMC and LVD standards. 2. Current can be adjusted stepless, high efficiency. 3. Fan-cooled, automatic protection of over-voltage and over-current, thermostatic protection, moveable welding cable. 4. Strong welding permeability, less splash, good weld appearance, sound-proof. 5. Suit for all kinds of basic and acid electrodes. 6. Be able to long-distance weld all kinds of material, such as stainless steel, steel, tungsten, titanium, nickel and other alloy material. 7. With complete accessories. 8. Carton box.