This auto-darkening welding helmet is designed to provide a clear, natural view with true color technology and a 3.66" x 1.69" viewing area. It features a fast 1/20000-second response time with 2 arc sensors to help protect your eyes during welding and grinding. Adjustable DIN 4/9-13 shade settings let you switch between grind and weld modes with ease. The helmet uses solar charging with a replaceable CR2032 battery for dependable long-lasting performance. Its heat- and impact-resistant construction is built for comfort, durability, and face protection on the job.