This welding argon welding solar automatic charging , without the use of power , is practical and The welding helmet lens has a clear window and a wide field of watching , which can quickly and reliably filter out welding light This welding lens set is easy and safe to operate , and it can be used with of welding Using this welder group can be well protected at work to occupational diseases Large window screen , clear for vision , larger visual angle during welding, Manufacturer: Watreketal