Specifications:
-Light State: Din4
-Shade State: Din9-13 (adjust the switch button beside the outer lens from 9-13.)
-Viewing Area: 44mm*99mm
-Switching Time:< 0.5ms(From Bright To Dark)
-Delay Time:0.2-0.8s (Short-Long, By Switch Button)
-Sensitivity: Stepless Adjustment By Switch Button, Low-High
-Power On/Off: Fully Automatic
-Shade Control: Outer Control, Stepless shift
-Arc Sensors: 2 Arc Sensors
-Power Supply: Solar Cells & Lithium Batteries
-Grinding Function: YES (turn the button beside the outer lens to "Grind"