Welding Helmet ADF Controls Analog Battery Chemistry Lithium Ion Battery Life 1 000 hr Battery Type CR2032 Color Black/Green EN379 Classification 1/1/2/2 Features Extensive Field Of Vision Minimal Weight Revolutionary Wear Comfort Grind Mode Yes Helmet Material Polyamide Helmet Type Auto-Darkening Includes Batteries Yes Lens Color Green Light State 3 Magnification No Number of Arc Sensors 1 Power Source Battery Series Weldcap