Weldcote Metals DIGITAL Auto-Darkening Welding Helmet - Sh 9-13 - ULTRAVIEW PLUS - LARGER VIEWING AREA! Use high quality LCD and multilayer optical interference filter, provide clear view and permanent UV Power supply by solar cells and Lithium batteries (Replaceable). Mask made of high impact resistant special Nylon. Digital Low Battery Warning Indicator. HUGE viewable area. 39% larger than Klearview Plus. 3.94 in x 3.28 in