Description
Hoteche auto darkening welding helmet
Viewing size of 92 x 42 millimetre
Power on/off: fully automatic
Power supply: solar cells and lithium cells
Sensitivity control: Hi/Mid/Low
Grinding mode: yes
Switching time(s):1/25000
Recovery time(s):0.2/0.5/0.8
Shade number:4
Shade option:9-13





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