Premier Series, Camo, Auto Darkening, Welding Helmet, Extremely Light Weight, Ergonomically Efficient, Great For Beginners, Impact & Fire Resistant, 5 Point Adjustable Geared Headband With Sweatband Mechanism, 5.97 SQIN 3.62" x 1.65" Viewing Area, DIN 9 To 13 Variable Shade Selection, TIG Operable To 15A, 2 Optical Arc Sensors, 1/1/1/2 Optical Clarity Rating, 1/16,000 Per Second Switching Speed.