2.The filter glasses are particularly suitable for welding and are guarantees optimal protection against bright light and ultraviolet and infrared radiation. 3.Build-in high sensitivity probe and lithium battery,have no damage to your eyes.4.Style:Head style Application:Suitable for construction work,welding gas welding arc welding5.Lens width are reinforced to anti-shock,strong abrasion resistance,impact resistance, in use,great for welding. 1. Style:Head style Application:Suitable for construction work,welding gas welding arc welding, Weight: 0.22928075248 pounds, Manufacturer: Tuidzljd