Features 1、Bid farewell to eye strain and arc flash with this automatic darkening welding mask 2、Protect your eyes and face from welding sparks and heat. 3、Clear curved screen reduces eye fatigue and isolates temperatures up to 130 degrees Celsius. 4、Made with fine quality materials that are resistant to high temperatures and corrosion, and have high thermal and flameresistance. 5、Customizable sensitivity and delay settings to suit your specific welding needs. 6、LCD screen with 0.1 millisecond automatic dimming for quick and easy adjustment. 7、With a fixing knob, used to fix the tightness of the mask. Specification This welding mask is a fine quality protective equipment that uses automatic dimming technology to automatically adjust the light during welding, protecting your eyes from strong light stimulation. At the same time, it can effectively prevents sparks from damaging your face, making you safer and more comfortable at work. This welding mask is an nice accessory in welding work, and its fine quality and reliability will bring more convenience and safety to your work. Features: Bid farewell to eye strain and arc flash with this automatic darkening welding mask Protect your eyes and face from welding sparks and heat. Clear curved screen reduces eye fatigue and isolates temperatures up to 130 degrees Celsius. Made with fine quality materials that are resistant to high temperatures and corrosion, and have high thermal and flameresistance. Customizable sensitivity and delay settings to suit your specific welding needs. LCD screen with 0.1 millisecond automatic dimming for quick and easy adjustment. With a fixing knob, used to fix the tightness of the mask. Specifications: Main color: black Material: plastics Delay: 0.1-0.8S Operating temperatures: -20 to 65℃ Battery: 2 * AAA battery (not included) Item size: 350 * 230 * 210mm / 13.8 * 9.1 * 8.3in Item weight: 454g / 1.0ounce Package size: 330 * 255 * 240mm / 13.0 * 10.0 * 9.4in Package weight: 861g / 1.9lb Packing List: 1 * Welding Mask Package List 1 * Welding Mask