Auto-darkening glasses for welding Area of view: 95 x 31 mm Size of cartridge: 108 x 50.8 x 5 mm Sensors: 2 Light state: 3 Dark state: 11 UV/lR protection; ON/OFF automatic setting up to DlN 16. Light-to-dark transition time: <0.5 ms TlG amps rated: <30 amps Working temperature: -5°C to +55°C Storage temperatures: -20°C to +70°C Power source: lithium battery and solar panel Two CR1220s Presented in a colored poly bag