The Vevor auto-darkening welding helmet is designed to provide a clear, natural view with a large 3.94" x 3.74" true-color viewing screen and 1/1/1/1 optical clarity. It features 4 arc sensors and a fast 1/20000-second response time to help protect your eyes during welding, cutting, and grinding. Adjustable DIN shade settings support multiple work modes for added versatility. Dual replaceable lithium batteries with solar charging help provide reliable long-lasting performance. An adjustable headgear system and heat- and impact-resistant construction enhance comfort and protection on the job.