Variable control and grinding mode Filter size: 110 x 90 x 9mm UV and infrared protection: Up to 15 din at all times Automatic power on/off Dark shade: din 9-13 Light shade: din 4 Switching time: 1/25000s Delay time: 0.2-0.5-0.8s from dark to bright Sensitivity: low-middle-high Solar cells & lithium batteries
