1. Clear View with True Color Technology The auto darkening welding helmet features 1112 optical lenses with advanced True Color technology, providing a clear view of the weld seam and work area while reducing eye fatigue. 2. Safe Design Made from impact resistant and flame retardant PP material, this welding helmet meets ANSI Z1 and EN379 standards. It features a solar ll and replaceable lithium batteries for long battery life. 3. Effective Eye Protection: Equipped with a delay and sensitivity adjustment knob, this welding helmet allows for personalized settings for various scenarios. With 2 sensors, it quickly switches from light to dark in 120,000 seconds, effectively protecting the eyes. 4. Adjustable and Comfortable FitThe ergonomically designed welding helmet ample internal space and easy operation. It has adjustable knobs for optimal fit and tightness, a comfortable fit for various head sizes. The thickened sponge on the forehead and ear areas enhances comfort and protection.