Welding Helmet ADF Controls Digital Battery Chemistry Lithium Ion Battery Life 3 000 hr Battery Type CR2032 Color Silver EN379 Classification 1/1/1/1 Features Adaptive Shade Autopilot Cooling Helmet Design High Definition Viewing Grind Mode Yes Helmet Material Polyamide Helmet Type Auto-Darkening Includes (1) Spare Front Cover Lens (1) Storage Bag Includes Batteries Yes Lens Color Green Light State 4 Magnification No Number of Arc Sensors 3 Power Source Battery Solar