The best in auto-darkening technology • 4½” x 5¼” cartridge size with approximately 9 square inch viewing area – the largest available in the auto-darkening market • Available variable shade (8.5 to 12.5) • HTLS (High Transmission Light State) features a shade 2.75 in the clear state, allowing for hood-down set-up in low ambient light conditions • On switch with auto-off feature automatically turns the unit off after approximately 20 minutes of non-use • Sensitivity adjustment allows user to adjust the unit depending on ambient light or arc intensity • “Dark to clear” delay adjustment allows user to adjust for tack welding or bright residual weld pool