3xPro Solar Auto Darkening Welding Arc Tig Mig Grinding Welder Black

Features:
-100% .
-Auto-Darkening welding Helmets are designed to protect the eyes and faces from spark, spatter, and harmful radiation under normal welding conditions.
-Solar energy, no need to replace the .
-Not enclosed design, but can complete keep out welding spatter, summer won't be hot and winter will not appear water mist on lens because of man's breathing.
-Suitable for high welding operation temperature.

Specifications:
Adjustable headband size: 52-61cm(20.47"-24.01").
Maximum height of headband: 11.5 cm(4.52"); . size of semicircle headband: 33.5 cm(13.18").
Minimum height of headband: 8.5 cm(3.34"); Min. size of semicircle headband: 26.5 cm(10.43").
Response time: 1/25000-30000s.
UV Penetration Rate: 313nm＜0.00006%; 365nm＜0.00006%.
IR Penetration Rate: 780---1300nm＜0.003%; 1300---2000nm＜0.003%.
Operating Temperature: -5℃~+55℃.
Storing Temperature: -20℃~+70℃.
Automatically ON/ OFF function.









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