Welding Helmet, ADF Controls Analog, Battery Chemistry Lithium Ion, Battery Life 2,500 hr, Battery Type CR2330, Color Black, Compatible Suspension Brand Name Westward, Compatible Suspension Grainger Part Number 45M952, EN379 Classification 1/1/1/2, Grind Mode No, Helmet Material Nylon, Helmet Type Auto-Darkening, Helmet Width 23 cm, Includes Protective Front Cover Lens, Includes Batteries Yes, Lens Material LCD, Light State 3, Magnification No, Number of Arc Sensors 2, Power Source Solar