The Hobart 770870 Helmet Creator 1776 Auto-Darkening Welding Helmet has a large 7.1 square-inch viewing area with wide screen format that provides improved visibility. Three independent arc sensors on the welding helmet provide dependable arc detection. This welding helmet's grind mode prevents lens from darkening for clear, visible grinding. The headgear provides extensive adjustable settings. The analog controls on the auto-darkening welding helmet allow the welder to easily adjust shade, sensitivity and delay. The auto-on/off power control triggers lens at the strike of an arc.