This auto darkening welding helmet with integrated clear face shield is an all in-one solution for welding, cutting and grinding. It is designed to provide protection from harmful UV and IR radiation from welding/cutting process with the lens flip down, and help protect against flying particles from grinding with the lens flip up. This Helmet can be used for GMAW, GTAW, MMAW welding, or Plasma Arc and air carbon arc cutting. This Auto-Darkening Welding Helmet will change from a light state (shade 3) a dark state (Shade 4-12/13-15) when arc welding starts. The filter automatically returns to a light state when the arc stops. Match your welding application to the shade indicated on the shade chart.