The auto-darkening Striker CF welding helmet from HTP America offers a 1 3/4" by 3 3/4" viewing area, and darkens quickly - adjusting from light to dark in 1/25,000th of a second. Suitable for both MIG and TIG welding, the Striker CF also includes a plasma cutting feature. The carbon-fiber like shell has a glossy finish, is lightweight at 19.7 oz and offers headgear featuring a cushioned sweatband for comfort. The helmet comes solar-powered, powered by the welding arc.