[ Filter modal: WH400] Light state: DIN4 Dark state: DIN9-13 ( Stepless Adjustment ) Switching time: < 1/ 10, 000s at room temperature Delay time: slow/ fast: 0.15s~ 0.80s Sensitivity: Low/ High Battery: ....
As a worldwide sale company, WUHAN WELHEL PHOTOELECTRIC CO., LTD. supplied welding helmets to overseas markets including America, Korea, Europe and Australia as main markets with own brand names, or....