Intuitive, digital control panel Optical class 1/1/1/1 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 Two, easy-to-replace AAA batteries included: low-battery indicator Green band pass for enhanced clarity of weld puddle No retainer for easy helmet installation and removal Built-in magnification lens holder Meets ANSI Z87.1-2010 and CSA Z94.3 Compliant DIN Plus Certified