Excellent Protection Performance - The heat-resistant and impact-proof shell features a robust structure, shielding your face from molten droplets, debris, high-temp,and its liquid crystal of optical coated filter,blocking UV, IR, and visible light.UV/lP protection is up to shade DlN 16.It is safeguarding your eyes and ensuring your safety during welding and related workComfortable and Breathable - Made from lightweight materials, it significantly reduces head fatigue. The innovative, adjustable wearing design caters to diverse head shapes and working postures. Paired with breathable fabric, it keeps your head cool and dry, enhancing comfort during long welding sessionsTrue Color & High Clearlight - GOL-SIV welding hood with 3.94”×3.82” viewing screen,1/1/1/2 Optical Grade and true color technology,enabling ultra-precise welding maneuvers.The dual LCD integrated visor design combines advanced technology with practicality, providing an unwaveringly stable field of visionAuto Dakening - The welding helmet adopts 4ARC sensors and automatic transform technology of controlling circuit that ensure the filter can be reacted to the arcin 1/25000S and changed strong light to dark light.Light Shade DIN4,Dark shade DlN5~9,9~13,stepless adjustmentAfter-Sale Service - If you don't like the product for any reason, simply just contact us within 30 days via Amazon,we will reply you with a satisfactory response. GOL-SIV is a good choice as your industrial supplies