Self Dimming Permanent Jewelry Welding Glasses

Product features:
Color:Black
Lens Material: PC
Power Supply: solar (No batteries required)
Shade control (light): DIN3
Shade control (dark): DIN11
Delay Time: 0.1s 3s
Variable brightness:No.3
Variable Speed: 5/25000s
PC lens can resist ultraviolet rays.
Anti-scraping lens covered with anti-scraping coating.
UV/IR protection up to shade DIN15
Strong abrasion resistance, impact resistance.
Better clarity, true color viewing
Solar, no battery change required
Portable and light weight, comfortable to wear.