-Viewing area:92X42MM
-Optical class:1/1/1/2
-Available shade:DIN5-9/9-13
-Sensitivity &delay time:Inside&Switch
-Sensors:2
-TIG capability:>5A
Filter model:WH521
Light state::DIN4
Dark state:DIN5-9/9-13
Switching time: 5 A
Grinding:Outside
Power Supply:Li-Mn & Solar Combination
UV & IR protection:Up to shade 16
Weight:490G
Material of helmet:NYLON EN175B
Operation temperature:-5℃( 23° F)~+55℃( 131° F)
Warranty (years):2
Available color:blue/black/silver/red/other pattern
Certification:CE、 ANSI