Solar auto darkening welding mask/CE welding helmet/DIN welding helmet/ANSI TIG welding helmet

Light state: DIN4 
Dark state: DIN9-13( Stepless Adjustment outside)
Switching time: < 1/25,000S at Room Temperature
Delay time: Stepless Adjustment   0.15S ~0.80S
Sensitivity: Stepless adjustment:
Battery: Li-Mi & Solar Combination
(Min. Lifetime: 5,000 Welding Hours)
Operation temperature:-523 +55131
Viewing area: 98 X 43 MM (3-6/7 X 1-2/3)
Cartridge Size : 110 X 90 X 8MM (4-1/3 X 3-5/9 X 1/3)
UV transmittance:313nm≤0.00006%   365nm≤0.00006%
IR transmittnce:7801300nm≤0.003%  13002000nm≤0.009%

Weight: 490G (1.08 Pound)
Material of helmet: NYLON