Product description: 

Automatic welding goggle

1> LIGHT STATE SHADE# DIN 3-11

2> Dark state shade: DIN11

3> Switching speed(normal temperature): ≤1/5000s

4> Delay time: 0.2s

5> Ultraviolet transmittance: 313nm≤0.00006%; 365nm≤0.000076%

6> Infrared transmittance: 780-1300nm≤0.003%; 1300-2000nm≤0.009%

7> Operating temperature: -5℃ -- +55℃

8> Power control: Automatic ON/OFF

9> Power supply: Solar battery

10> Standard welding time: ≥2000hours