Welding Mask / Helmet with auto darkening filter
Viewing area - 100 x 60mm
Filter size - 114 x 133 x 11mm
Switching time - 1/25000s
Dark shade - 9 / 10 / 11 / 12 / 13
Sensitivity control - 4 grades
Dark to light delay - 0.1s / 0.6s / 1s
Sensors - 2
Power supply - solar cells with 2 replaceable lithium batteries - CR2450.