... -optical technology of Germany. 3. UV/IR protection:DIN 16 4. Light to dark: 1/25,000s Products meet the targetsLCD welding ... Frame Size:110*90mm. 6. UV/IR protection: up to shade DIN 16 at all time.7. Light state: shade DIN 4 ... ,yellow,red, And beautiful pictures etc,spay-paint according to customer’s choices.16. Warranty: 2 year limited.Features Welding protection masks ...