Optical Class:1 / 1 / 1 / 2.

Cartridge Size:133X114X10mm.

Viewing Area:98×80mm.

Arc Sensor:4.

Light State:DIN 4.

Dask State: variable shade, 5-8/9-13Shade Control:  Low-high, key.

Power On:auto;

Power off: 3s by pressing DOWN arrow key.

Sensitivity Control:Low-high,key.

UV/IR Protection:DIN16.

Power Supply:Solar cell+ ONE changeable CR2450 lithium.

Switching Time:1/25000S, from Light to Dark, Dark to Light:0.1-2.0S by key pressing.

Low Amperage TIG:>5amps(DC),>5amps(AC),

Grinding Function :YES.

Low Volume Alarm:YES.

ADF self-check:YES.

The price include decals.