Intuitive, digital control panel. Features variable Shade 5-13, sensitivity and delay adjustments. Large, separate buttons with LED indicator for Weld, Torch and Grind modes. Four independent sensors positioned to reduce possibility of blockage during weld. No retainer for easy helmet installation and removal. Two easy-to-replace AAA batteries included with low-battery indicator. Meets ANSI Z87.1 and CSA Z94.3 compliant.