Antra™ AH6-330 DIGITAL LED Series welding helmet is featured with the smart chip controlled 4 sensor auto darkening lens, which is extremely fast responsive to electric arc from TIG, MIG, MMA or Plasma applications. The big viewing area 3.86X2.07” ADF with digital controlled provides much better precise shades and better vision of the whole welding process, which ensures a better finish of welding or cutting.