Super Large Viewing Screen: The 4.31" x 3.82" (16.4 square inch) and side screens (no auto-darkening), combined with exceptional 1/1/1/1 Optical Clarity, guarantees a crystal-clear view, depicting true color views with cinematic quality. Weld with confidence as if you were watching a picture in a movie theater. | Ultra-Fast Auto-Darkening and LED light: Equipped with 4 ARC sensors, our helmet detects changes in light and swiftly converts the lens from light to dark within an impressive 1/30000 of a second. This fast-darkening feature ensures maximum eye protection, allowing you to focus on your work without worrying about safety.And you can see the workpiece and workspace more clearly with light. | Wide Shade and Effortless Control: Experience effortless control with our user-friendly external panel, featured large buttons situated on the side of the helmet. Easily adjust the shade, sensitivity, and delay settings, and even quickly select the specific task you’re performing, such as welding, cutting, or grinding. | Comfortable and Lightweight Deign: Your comfort matters to us. Pivoting headgear design offers lightweight, comfortable fit and it can be adjusted to be placed securely around head and neck. The adjustable headgear lets you choose the tightness that suits you, ensuring comfort during long welding sessions. Stay focused on your work without distraction. | Long Lasting Battery: Powered by high-capacity rechargeable lithium battery and solar, offering extended usage times without compromising performance. Say goodbye to frequent battery replacement and enjoy uninterrupted welding sessions.