Jackson Safety HSL 100 Welding Helmet with NEXGEN 3-in-1 ADF (46148), Digital Auto Darkening, Black, 1 / Case 1 Jackson Safety HSL 100 Welding Helmets with NEXGEN 3-in-1 Digital Auto Darkening / Case; Black Digital controls feature variable shade 9 - 13 sensitivity and delay adjustments and 4 independent sensors are positioned to reduce the possibility of blockage Viewing field 3.8" x 2.35"with built-in mag lens holder; Typical switching speed 1/15,000 (s); Amber view lens allows for enhanced clarity of the weld puddle This welder shield has Weld, Grind and Torch modes, auto-off function and a low battery alert (includes 2 solar replaceable lithium batteries) This welding hood meets ANSI Z87.1 - and CSA Compliant