Guangjieguanjie w7003 large window automatic dimming welding mask

dark shading number: 9-13
response time: & lt; 1 / 25, 000 seconds (at room temperature)
lens size: 110 x 90 x 8 mm
window size: 100 x 67 mm
sensitivity: stepless adjustment
return time: stepless adjustment 0.15 ~ 0.80 seconds
color number adjustment: external adjustment, stepless adjustment
light sensing hole: 2
argon arc welding adaptability: enhanced > 5a)
battery: replaceable lithium battery + solar cell
UV and infrared light protection: meet the requirements of color No. 16 when it is bright
optical property grade: 1 / 1 / 1 / 2
weight: 490g (1.08pound)
How to wear it: Headwear