The auto darkening welding glasses are suitable for those who need to do electric welding, argon arc welding, cutting and grinding. With these glasses, you can have a better welding experience. Come on and try it, it will not let you down.   Auto Darkening Design: The welding glasses have sensitive detector, light changes very quickly. When the arc light occurs, the LCD screen from the normal instantly dark, and it returns to the light state when welding stops. Portable Size&Easy to Carry: This glasses are portable size and easy to carry, you can take it with you to anywhere you want to use it. Wide Applications: This tool can be used for electric welding, argon arc welding, gases welding, cutting and grinding welding operations. Humanized Design: The welding glasses are powered by solar energy and a built-n button battery, you do not need to worry about the power. You can wear it like normal glasses or it also comes with an adjustable headband that replaces the function of eyeglass legs.   Specifications: Material: PP'LCD Shading effect: 9~13level Battery: 1 * CR927 battery (included) Package size: 165 * 85 * 60mm / 6.5 * 3.3 * 3.4in Package weight: 128g / 4.5ounce   Packing List: 1 * Welding Glasses 1 * Headband 5 * Protecting Sheet