2, the dark state shade selection in DIN9-DIN13 number.

3, the end of the welding, automatic delay from dark to brighter, more than eliminate the impact of arc on the eye.

4, the whole process of welding anti-infrared, ultraviolet radiation, effectively protect the eyes.

5, no stick residue outside the protection film, the effective protection of the window frame group of welding slag particles are not destroyed.

6, simple, choice of shade and the power switch is only a button.