Solar Powered Auto Darkening Automatic Welding Helmet /Grinding Mask (WH4400)

[Filter model: WH400]
Light state: DIN4
Dark state: DIN9-13
Switching time: <1/10, 000S at Room Temperature
Cartridge Size: 110 x 90 x 9 mm (4-1/3" x 3-5/9" x 4/11")
Viewing area: 92 x 42 mm (3-3/5" x 1-7/11")
Sensitivity: Low/High
Delay time: Fast/Slow 0.25S / 0.70S
Shade Adjustment: Inside & Stepless
Sensors: 2
Power Supply: Li-Mi & Solar Combination
UV & IR protection: Up to shade 15
Warranty (years): 2
Weight: 490G (1.08 Pound)
Material of helmet: PP
Available color: Blue/black/silver/red
[Optional Filters: All]