About This Item 【True Color View & Better Clarity】TRQWH welding lens has top 1/1/1/1 optical clarity lenses with advanced true color technology, which improves visibility by reducing the traditional lime green color in the helmet view screen, allowing a true view of the weld seam and work area while reducing eye fatigue. 【Long-lasting and Durable Welding Lens】This true color welding helmet lens uses solar cells and CR2032 replaceable lithium batteries. The solar cells can absorb the strong light energy caused by the electric arc, thus extending the battery life. The lithium battery is replaceable. 【High Quality Welding Lens】Welding lens has a delay and sensitivity setting knob, you can adjust the most suitable settings for your work according to different work scenarios. DIN4 in the light state, DIN5-13 in the dark state. The most powerful is the TRQWH welding lens has 4 arc sensors that can switch from light to dark in 1/30,000 seconds. The auto-darkening filter is made of high-quality liquid crystal and optical coating, which can resist 99% of the harmful light to the eyes. 【Portable and Easy to Install】The automatic welding lens measures 4.495.240.4 inches, the lens has automatic opening and closing function, easy and safe to operate, can be used with different styles of welding masks, providing you with good protection at work and preventing occupational diseases. From -10°C to 55°C for high welding operating temperatures. 【TRQWH Quality Service】TRQWH welding lens are strictly inspected for quality before they are sold to ensure that every customer receives a welding helmet lens that works properly. We offer a 30-day money back guarantee and a 1-year free warranty (free repair/new replacement parts). If you have any questions, please feel free to contact us and we will provide you with a satisfactory solution as soon as possible! Product Information Viewing Area: 3.94"x 3.15", Welding Lens Size: 5.24"x 4.49" Dark Shade: DIN5-9/9-13, Grind: DIN4 UV/IR Protecion: DIN16 Switching Time: 1/30000S, Delay Time: 0.2-1.0s Meet ANSI Z87.1/ EN379 CE/CSA Z94.3 Standards Item Weight: 4.6 ounces Package Dimensions: 9.17 x 6.89 x 0.71 inches Item model number: ‎TRQ-8000EE Batteries: 1 CR2430 batteries required. (included) Power Source: Solar Powered Included Components: welding lens Batteries Included? Yes Batteries Required? Yes Battery Cell Type: Lithium What You Will Get 1 x Auto Darkening Welding Lens 5 x Welding Helmet Battery Replacement Worry-Free 12-Month Warranty 24/7 Friendly Customer Service Satisfaction Guarantee We offer top-quality products and a 30-day money-back guarantee for worry-free shopping. If you don't have a positive experience for ANY reason, don't hesitate to contact us. We will address ALL your concerns and ensure you leave 100% satisfied and smiling.