Solar automatic light welding glasses $ 0.99 Specification: Brand new Lens Material: PC Power Supply: Solar Delay Time: 0.1s~3s Variable Brightness: No.3 Variable Speed: 5/10000s Feature: Solar powered auto darkening welding goggles. PC lens can resist ultraviolet ray. Anti-scraping, lens covered with anti-scraping coating. Anti-strong light, protect your eyes. Lens width are reinforced to anti-shock. Strong abrasion resistance, impact resistance. Durable in use. Great for welding.