[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: Li-Mi & Solar Combination
(Min. Lifetime: 5,000 Welding Hours)
Operation temperature:-5℃（23℉）— +55℃（131℉）
Viewing area: 92 x 42 mm (3-5/9” x 1-3/5”)
Cartridge Size : 110 x 90 x 9 mm (4-1/3” x 3-5/9” x 7/20”)
UV transmittance:313nm≤0.00006% 365nm≤0.00006%
IR transmittnce:780﹋1300nm≤0.003% 1300﹋2000nm≤0.009%
Weight: 430g (0.95 Pound)
Material of helmet: PP