Welding Helmet, ADF Controls Analog, Battery Chemistry Lithium Ion, Battery Life 2,500 hr, Battery Type CR2330, Color Gray, Compatible Suspension Brand Name Westward, Compatible Suspension Grainger Part Number 45M952, EN379 Classification 1/1/1/2, Features 5 pt Adjustment Headgear with Removable Sweatband, No Battery Change Required, Grind Mode No, Helmet Material Nylon, Helmet Type Auto-Darkening, Helmet Width 23 cm, Includes Extra Front Cover Lens, Includes Batteries Yes, Lens Material LCD