As-essential auto-darkening welding mask, true color, 96 x 39 mm viewing area, 460 g. heavy-duty mask with an automatic filter that detects sparks or high-intensity lights to darken rapidly (0,06 ms). adjustable sensitivity (min-max) to adapt to the type of welding and material. light state din 3, dark state din 9/13, and uv/ir protection din 16. filter dimensions 110 x 90 mm. powered by a replaceable solar-charged battery. operating temperature from -5 °c to +55 °c. suitable for welding and grinding.