Lens Size: 110 X 90 X8.2 MM (4.33 "X 3.54" X0.32 ")
Viewing area: 92 X 42 MM (3.62 "X 1.65") or 98 X 44 MM (3.86 "X 1.73")
Clear state: DIN 4
Dark state: DIN9-13 free adjustment (redeployment)
Response time (by the dim light): < 1 / 30, 000 seconds (normal temperature conditions)
Return time (change from dark to light): 0.2S ~ 1.0S (short - medium - long) can be adjusted

Sensitivity (welding current according to size): Low - medium - high adjustable
Welding / grinding function: You can choose
Battery: Lithium Battery + Solar Battery (life: ≥ 6, 000 welding hours)
UV transmittance: 313nm ≤ 0.00006% 365nm ≤ 0.00006%
Infrared transmission: 780 1300nm ≤ 0.003% 1300 2000nm ≤ 0.008%
Weight: 450G
Mask color: Blue / black / red / silver / yellow optional
(According to the buyers request)