[High Sensitive]: The solar welding helmet lens adopts sensitive arc sensor, which have a stable and reliable performance [High Sensitive]: The solar welding helmet lens adopts sensitive arc sensor, which have a stable and reliable performance [Fast Response]: This welding helmet lens has a fast response time and provides better protection for the welder [Solar Panel]: With a solar panel to charge with battery of welding helmet which can prolong the service life of the helmet [Large View Window]: This solar welding helmet lens has large view window, which provides clear and larger viewing perspective, and reduce fatigue of eyes [Function]: You will have a good protection with this automation filter at working and prevent occupational disease Specification: Condition: Brand New Item Type: Welding Helmet Lens color: as show Material: PA Shading Degree: 1.5*10 Size: Approx.110 * 90mm/ 4.3 * 3.5inch Thickness: Approx. 9mm / 0.4inch Weight: Approx. 94g / Package List: 1 * Welding Helmet Lens