'Welding Helmet, Auto-Darkening, Lens Shade 5 to 13, Not Rated Welding Helmet Light State, Viewing Area 3.84 In. x 2.44 In., Welding Helmet Color Black, Welding Helmet Material Nylon, Polycarbonate, 2450 Series, Grind Mode Yes, Electromagnetic Sensor No, Number of Arc Sensors 4, Switching Speed 1/25,000 sec., Graphics None, TIG AMP Rating 2A, Power Source Solar, Headgear Ratchet, ADF Controls Knobs, Battery Type Solar Cells, Features 4C(TM) Lens Technology, Optical Clarity, Wide Screen View'