Improves welding quality and efficiency Full range of ultraviolet / infrared light protection Ultraviolet protection<0.0003% to 0.006%(313 - 365nm) Infrared protection <0.01%(780-2000nm) Shade range DIN4/9 - 13 Solar powered window Lithium Ion batteries Viewing window of 41 X 91mm(1.6" X 3.5") Response time 1/10,000 second Operating temperature 23 degree F to 131 degree F(-5 degree to 55 degree C) High powered 18,000 LUX LED light helps light up viewing area | |