Welding Helmet, ADF Controls Analog, Battery Chemistry Lithium Ion, Battery Life 6 mo, Battery Type Lithium Ion, Color Black, EN379 Classification 1/1/1/2, Features Continuously Variable External Control For Shades, Lightweight, Test Button, Variable Delay And Sensitivity Controls, Graphics None, Grind Mode Yes, Helmet Material Polycarbonate, Helmet Type Auto-Darkening, Includes (2) Aaa Batteries, (2) Inside And (2) Outside Clear Cover Lenses, Includes Batteries Yes, Lens Color Clear WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -