Functions: Variable Shade 9-13, Sensitivity & Delay Adjustments.| Ultra-clear vision - Optical rating 1/1/1/2.| Viewing Area: 96 x 39mm.| 'Hinge & Lock' Lens Retainer System = Easy cover lens replacement, Seals tightly against spatter to prevent damage to the electronic lens.| Magnification lens holder - takes standard magnification lenses.| 'Full Laminate' Lens Construction: Each layer in the electronic lens assembly is firmly laminated for superior optical quality and long service life. This is in contrast to cheaper lenses which are simply glued on the edge and, over time, are prone to contamination and failure.| Lightweight, Durable and Shock Resistant shell.| Warranty: 1 year / 12 months (on auto-darkening lens).| Auto-on & Auto-off = No buttons to press, Hassle-Free operation.