Auto-darkening Welding Helmet - Auto-darkens less than 1/10000 seconds(normal temperature conditions), protecting welder eyes against harmful rays. Anti-fogging - Fogging up problem is possible with any welding helmets, hobby welders may not think this is a big problem, but welders that work for long hours should take care of the fog formed during welding. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Welding & Soldering Equipment\Welding Equipment & Accessories\Welding Protective Gear\Welding Helmets". The seller is "debvand-8" and is located in this country: US. This item can be shipped to United States.