Auto-darkening welding glasses Viewing area:95x31mm Cartridge size：108x 50.8x 5mm Sensors：2
Light state：3 Dark state：11
UV/lR protection：up to DlN 16
ON / OFF：automatic
Switch time(Light to dark)：<0.5ms TlG amps rated：≥ 30 amps Operating temperature：-5℃~ +55℃ Storing temperature：-20℃~  +70℃ Power supply：solar panel & lithium battery 2xCR1220
Packed by color poly bag