auto-darkening welding filter WF004-4

Light state: DIN4

Dark state: DIN9-13

Switching time: <1/10,000S at Room Temperature

Filter Size: 110 x 90 x 11.5 mm     (4-1/3” x 3-5/9” x 5/11”)

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

Grinding Mode: Inside switch

Power Supply: Li-Mn & Solar Combination

LED illumination:  Yes(2*AAA Battery)

Weight: 130G

UV & IR protection: Up to shade 16

Warranty (years): 2