The Eastwood Large View Auto Darkening Welding Helmet is one of the best helmets on the market for the price. Features True Color Technology which allows a realistic color perception so you have a much clearer view of what you are welding. Grind mode allows you to quickly reshape tungstens, grind spot welds and more, without having to the remove the helmet. The large 3.9" x 2.64" (100mm x 67mm) view area assures accurate MIG or TIG welding without neck strain and adjustable head gear eliminate fatigue. Replaceable Li Mn battery with arc charging for up to 3 years usage. CE, ANSI and RoHs certifications. The True Color Technology allows a realistic color perception so you have a much clearer view of what you are welding.