Welding Helmet ADF Controls Analog Battery Chemistry Lithium Ion Battery Life 2 500 hr Battery Type CR2330 Color Blue 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