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Welding Mask Specifications(A7)
1) Cartidge size:110 X 90 X 8mm
2) View area: 100 X 53mm
3) Arc sensor: 4
4) UV/IR protection: Up To Shade DIN 15 at all time
5) Variable shade: DIN 5/9-13(Outside Stepless Adjustable)
6) Switch time:
   a)light to dark: 1/25000s
   b)dark to light: 0.25-0.45s at <Fast> position
      0.65-0.85s at <Slow> position(Dial Knob&LED Display)
7) Sensitivity:Low/HIGH(Dial Knob&LED Display)
8) Power supply: Solar cells,No battery change required
9) Power On/Off: Fully automatic
10) Operation temperature: -5 C ~ +55 C (23 F ~ 131 F) 
11) Storing temperature: -20 C ~ +70 C (-4 F ~ 158 F)
12) Warranty: Two years
13) Helmet material: Polyamide(Nylon)/High-impact resistant plastic
14) Total weight: 485g 

Wenzhou Xidin Electronics Technology CO.,LTD.

            E-mail:  liulezhen@126.com

            Tel:      0577-56560077-9876；0577-56560076    13777776905
            Web：   http://www.xidin.com