Optical Class:1 / 1 / 1 / 2 Viewing Area:92×42mm Cartridge Size:110×90×9mm Arc Sensor:2 Light State:DIN 4 Dark State:Variable shade, 9 ~13 Shade Control:External,Variable Power On/Off:Fully Automatic Sensitivity Control:Low — High, by infinitely dia l knob UV/IR Protection:DIN16 Power Supply:Solar cell. Battery change required1×CR2032 lithium battery Switching Time:1/25000S, from Light to Dark Dark to Light:0.1-1.0S by infinitely dial knob Low Amperage TIG: ≥ 5amps(DC), ≥ 5amps(AC) Grinding Function :YES Low Volume Alarm:YES ADF self-check:YES
- Auto-Darkening
- Shade Control
- Sensitivity Control
- Grinding Function
