"The Shop Iron Variable-Shade Auto-Darkening Welding Helmet features eye-catching Pirate graphics that add fun and your unique style to this solar powered helmet. Complies with DIN, ISO, EN and ANSI Z87.1-2003 safety standards. Switch time sec. 1/30,000, Adjustable Sensitivity Yes, Auto Darkening Yes, Adjustable Fit Yes, Product Type Welding helmet, Variable Shades 9-13, welding/grinding, View Area W x H in. 3 7/8 x 2 11/64, Welding Processes Welding, grinding, UV/IR Coated Lens Up to shade DIN #13 at all times, ANSI Approved Yes, Battery Included Yes, Power Supply Solar, Low Battery Indicator No. Ultra-high performance UV and IR protective filters Battery backup ensures that it's always ready to go Automatically changes from a light to dark state when arc is struck, then returns to normal shade when welding stops Adjustable sensitivity control with variable shades from DIN 9 to DIN 13 Extra fast 1/30,000 second switch time Spacious 3.86in. x 2.17in. viewing area Durable, lightweight material is corrosion resistant and flame retardant Special turnover headband mechanism adjusts for comfort and reduces fatigue"