Automatic dimming design: The auto-dimming filter automatically changes from light to dark when arcing and back to light when welding stops, giving every worker a clear vision to free their hands Environmentally friendly and widely used: Solar cells, no need to replace batteries and manual charging; easy to operate, safe and lightweight design; suitable for electric welding, gas welding, steel welding, cutting, welding, etc. Ease of use: The goggle temples are made of imported soft rubber and are ergonomically designed for long-term wear. The temples are adjustable in length and not easy to slip off, which is convenient for most workers. High-quality materials: Glasses lenses are made of high quality PC material to resist strong impact and glare Specification Lens material: PC Power: Solar Shift: 5/25000s Shade: 4-6 Shadow: 9-13 Delay time: 0.1s~3s Scratch Resistant: Mirror Scratch Resistant Coating Anti-glare: reduce glare Shockproof: Prevent strong impact and increase lens strength Abrasion resistance: abrasion resistance, continuous use Package includes: 1*Auto-darkening welding glasses