Auto Darkening Welding Helmet Lens Shade Shade 10 Graphics None Color Gray Plate Height 3-9/16 In. Plate Width 4-5/16 In. Viewing Area 3-13/16 in x 1-13/16 In. Headgear Ratchet Solar Series Material High Impact Resistant Nylon Power Source Solar Battery Type Solar Cells Features 5 pt. Adjustment Headgear with Removable Sweatband No Battery Change Required Includes Extra Front Cover Lens