Viewing Size 4.82 x 1.37 inch, Optical Class: 1/1/1/2.
Light shade: DIN4, Dark shade DIN5-DIN9/DIN9 -DIN13, stepless control, set by hand according to the situation. Dark to light :0.1 s~ 1.0s ,stepless control.
2 Premium Sensors provide you accuracy and redundancy that enables quick detection, precise control, and speedy response.
Lightweight, easy to carry, virtually eliminates neck strain. welding goggles compatible with a hard hat as well.
Great For TIG MIG MMA, Plasma Applications with Grinding Feature. (Extra CR2450 battery included)