WITH LED WELDING LIGHT: This welding helmet comes equipped with a USB-powered LED light on top, offering two brightness levels. You can weld easily, even in dark environments, without worrying about not being able to see the details of the weld. It is ideal for assisting with welding in various scenarios. NOTE: Welding light comes uninstalled; easy to attach.,FASTER AUTO DARKENING: Upgrade to high-end auto-darkening lenses with 4 premium arc sensors, switching from light to dark in 1/25000 sec. Easily adjust the shade and sensitivity of the lenses for different working environments, perfect for STICK/MIG/TIG welding， grinding, and cutting. Dark state level: 4/5-8/9-13.,SUPER LARGE SCREEN: 3.