Welding Helmet, ADF Controls Digital, Battery Chemistry Lithium Ion, Color Tan, EN379 Classification 1/1/1/2, Features Auto On/Off, Four Operating Modes, Quick Release Cover Lens, Graphics Military, Grind Mode Yes, Helmet Material Nylon, Helmet Type Auto-Darkening, Includes (2) Inside Cover Lenses, (5) Outside HDV Cover Lenses, Clip-On Top Comfort Cushion, Helmet Bag, Includes Batteries Yes, Lens Color Clear, Light State 3, Magnification No, Number of Arc Sensors 4, Series Digital Infinity