Jackson HSL 100 EQC Professional Welding helmet

This auto darkening welding helmet is for the Journeyman welder. 1 3/4" X 3 3/4" viewing area. 9-12 variable shades, 4 redundant sensors, auto-off switch after 20 minutes non use. Sensitivity adjustment for ambient light or arc intensity. A �dark to clear� delay adjustment which allows user to adjust for tack welding or bright residual weld pool. Uses 2 AAA batteries. Made in USA