Tianjin Winner Science and Technology Development Co., Ltd.  

Product Name: Spiderman Auto Darkening Welding Helmet Welding Mask Shape: Welding Helmet Mask Type: Safe-Type Color: Blue Material: PP Mask Application: Welding Mask Transport Package: in Cartons Product Description Viewing area: 93X43mmHas the outer control and steepless control.Materials: PPDark shade range: DIN9-13Light shade number: DIN4Switching time: 1/25000s from bright to darkRecovery time: 0.1s to 0.8s from dark to brightPower supply: solar cells/Li-CellsWorking temp:-10Celcius Degree-60 Degree