Auto Darkening Welding Helmet, Lens Shade 9 to 13, Graphics None, Color Red/Tan, Plate Height 4-3/10 In. , Plate Width 3-1/2 In. , Viewing Area 3-4/5 In. x 1-7/10 In. , Headgear Ratchet, 600S Series, Material Plastic, Grind Mode No, Number of Arc Sensors 2, ADF Controls Analog, Power Source Solar, Battery Type Solar Cells, Electromagnetic Sensor No, Switching Speed 1/25, 000 sec. , Features Variable Shade, High Graphics, Lightweight, Comfortable Fit, Adjustable Headband