• Optical Class Rating 1/1/1/2 - Fully control and adjust the Sentinel's shade 5-13 ADF - True-Color Lens Technology
• Sentinel's shade 3 Grind Mode allows you to switch over to grind without removing your gloves and taking off your helmet.
• 3.93 x 2.36 in. (100 x 60 mm) viewing area. 1/1/1/2 -5-13 ADF.
• Control panel with backlit display makes it easy to read in low-light environments. Sentinel's simple design allows operator to to use without referencing the user manual.
• Color touch screen control panel with 8 separate memory settings and externally activated shade 4 Grind Button.

Shipping Note: Shipping to Alaska, Hawaii, P.O. Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty