Specification :

Filter Size ( mm) : 108x50.8;
Viewing Window ( mm) : 94x35;
Power ON/ OFF: Fully Automatic;
Power Supply: Solar Cells + Lithium Battery;
Switching Time ( s) : 1/ 10, 000;
Recovery Time ( s) : 0.4;
Light Shade Number: 3;
Shade Option: 11;
Net Weight ( g) : 360;
Operating Temperature: -5 --- + 55;
Storing Temperature: -10 --- + 70
Color Option: Black, Blue, Red, Silver