Light state: DIN3 or 4
Dark state: DIN9 (8)-13 (14) (stepless regulation)
Switching time: <1/20,000s at room temperature
Delay time: slow: 0.6s-0.8s, fast:0.1s - 0.3s
Sensitivity adjustment: low/high
Battery: Li-Mi and solar combination (minimum lifetime: 5,000 welding hours)
Viewing area: 98 x 43mm (3-6/7 x 1-4/5 inches)
Size of filter cartridge: 110 x 90 x 9mm (4-1/3 x 3-1/2 x 1/3 inches)
Weight: 430g (1 pound)
Material of helmet: nylon