Welding Helmet ADF Controls Digital Battery Chemistry Lithium Ion Battery Life 2 000 hr Battery Type CR2450 Color Graphics Compatible Suspension Brand Name Westward EN379 Classification 1/1/1/2 Features 5 pt Adjustment Headgear with Removable Sweatband Digital Control Display Low Battery Alarm Test Button If The Auto Darkening Lens is Darkening Properly Variable Shade Graphics Blue/Red/White Grind Mode Yes Helmet Material Nylon Helmet Type Auto-Darkening Helmet Width 26 cm