Auto Dimming Welding GlassesSay goodbye to flashes and stay away from eye damage! Features: [Auto Dimming Design]: When you are hitting the arc, the auto dimming filter will automatically change from the bright state to the dark state, and return to the bright state when the welding stops [Protect Eyes from Injury]: This welding glasses auto darkening has the functions of anti ultraviolet, infrared radiation and anti glare, which can effectively protect the safety of the eyes