Welding Helmet (XDH4-500S Fibre Carbon Design)

Welding Helmet Specifications(-500S Fibre Carbon Design)
1) Cartidge size: 110X90X8mm(4-1/3"x3-5/9"x1/3")
2) View area: 92X42mm(3.62"x1.65")
3) Arc sensor: 2
4) UV/IR protection: Up To Shade DIN 15 at all time
5) Variable shade: DIN 4/9-13(Outside Stepless Adjustable)
6) Switch time:
  a)light to dark:<1/25000s(Room Temperature and High Sensitivity)
  b)dark to light: 0.25-0.85s at "Slow-Middle-Long" position                
7) Sensitivity: Can be adjustable at "Slow-Middle-Long" position  
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: PP(Fireproofing)
14) Total weight: 495g