Auto-darkening welding glasses

Viewing area: 95 x 31 mm
Cartridge size: 108 x 50.8 x 5 mm
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 2 x CR1220 Packed by colour poly bag.