Welding Helmet Auto-darkening

Welding helmet auto-darkening with LED light, we have get patent right for the helmet and the filter. We put a LED in the filter,so when you work in some dark condition, it can help you to see clear what you want to weld. HD-1060L Technical Data ·Cartridge Size: 110×90×9 mm ·Viewing Window: 98×60 mm ·Switch Time:(light to dark)0.1ms (dark to light)≤0.2- 0.7 S(Adjustable) ·Ultraviolet Protection: < 0.0003%(313 nm), < 0.006% (365 nm) ·Infrared Protection: < 0.01%(780- 2000nm) ·Shade Range: DIN 4 / 9-13 ·Sensitivity: Adjustable ·LED Light: About 18,000 LUX ·Battery: Solar cell with 2 CR2032(changeable) ·Weight: 600g ·Operating Temperature:- 5°C to +55°C