• Cartridge sizes: 110 x 90 x 13mm
• Viewing window: 100 x60mm
• Switch time: (light to dark) 0.1ms,(dark to light) 0.2 to 0.7 S (auto-regulate)
• Ultraviolet protection: 0.006% (365nm)
• Infrared protection: < 0.01% (780 to 2000nm)
• Shade range: DIN 4/9 to 13
• Sensitivity: adjustable
• Funcitin:Welding / Grinding
• LED light: 18,000LUX
• Battery:Solar Cell+CR2032
• Operating temperatures: -5 to +55°C
• Weight: 520g