True-View for colour and contrast, Set-and-Forget mode, Grab-and-Go functionality, One-Touch operation, Auto-On capability, External button for grinding and memory modes, Highest optical classification (1/1/1), Advanced TST (TIG Sensor Technology) down to 1 amp, Centre photo-sensor for TIG, 73mm x 107mm viewing area, Multiple welding modes: Weld, Cut, Grind, Hidden Arc, Outdoor, Passive and Tack, Shades 5, 8, 9-13 with light shade of 3