The Forney Industries Easy Weld Camo ADF Welding Helmet, No. 55735, features easy-to-use controls and a lightweight, impact resistant, fireproof shell for increased comfort and protection. Its quick-fit, five-point adjustable geared headband (with sweatband) mechanism is designed to reduce head and neck strain and general fatigue. The auto-darkening welding helmet has a 3.62” by 1.65” viewing area, two optical arc sensors, a 1/1/1/2 optical clarity rating, and UV/IR coating to reduce scratching and discoloration of the lens. It also has an external shade selector knob which allows for quick shade modifications and internal switch controls includes sensitivity (high-low), delay (minimum-maximum) and grind option.