4.Style:Head style. Application:Suitable for construction work,welding gas welding arc welding 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. 1.100% new 5.Lens width are reinforced to anti-shock,strong abrasion resistance,impact resistance, in use,great for welding., Manufacturer: Mcnhbdgg