True Color & Clear View: Equipped with True Color filter and 4 light states, this welding lens delivers a bright, natural, and distortion-free view of your work area, helping reduce eye strain during long welding sessions. High Optical Clarity: Offers top-tier 1/1/1/2 optical clarity rating for better weld puddle visibility and precision control during TIG, MIG, and Stick welding applications. Fast Auto-Darkening: The auto-darkening welding lens features a shade range of 9-13 with stepless sensitivity adjustment and dual arc sensors. Instantly switches from light to dark in just 0.04 milliseconds for reliable eye protection. Wide Compatibility: Standard 2" x 4.25" size fits most pancake and pipeliner welding hoods without modification, making it versatile for various industrial and pipeline welding environments. Long Lifespan: Runs on solar power with a replaceable lithium battery to extend service life. Each battery cycle offers over 1000 working hours. Fully safety certified with ANSI/ISEA Z87.1, CE, and CSA standards. SHINE 2x4 1/4 Gold Auto Darkening Welding Lens