.Optical Class:1 / 1 / 1 / 2

.Cartridge Size:110×90×9mm

.Viewing Area:90×35mm

.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 dial knob

.UV/IR Protection:DIN16

.Power Supply:Solar cell. Battery change required 2xAAA

.Alkaline batteriesSwitching Time:1/15000S, from Light to DarkDark to Light:0.1-1.0S auto

.Low Amperage TIG:>=20amps(DC),>=20amps(AC)