It will not cause damage to the eyes. When the arc light is generated, the dimming screen will darken from the normal state, and when the arc light disappears, the dimming screen will return to the normal state.The mirror has a scratch-resistant coating to protect eyes. Prevent strong impact and increase lens strength.Solar powered, no battery required, high-sensitivity detection head, high working efficiency.Convenient to use: Legs can adjust the length, automatic variable light lenses lightweight and convenient, with impact , the use of more secure and assured.Widely applications: Easy and safety to operate, light weight design; Applicable to electric welding, gas shielded welding, argon arc welding, electric saw, welding, etc.Colour:blackMaterial: PPPackage Contents:1 x Welding Goggles10 x Protective FilmsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.