Areyourshop Solar Auto Darkening Welding Helmet ARC TIG MIG Weld Welder Lens Grinding Mask Red Viewing Area 98 X 55mm Cartridge size 110 X 90 X 9mm Light Shade DIN 4 Darken Shade DIN 9 - DIN 13 Switching Time less than 0.000033 sec Operating Temperature -5C to 55C Storing Temperature -20C to 70C Helmet Material High-Impact resistance Plastic / Polyamide Nylon 100% Brand new Color:Same as picture show Package include: 1 x Mask 1 x User Mannual