Specification: Filter dimension:110x90x8mm (4 1/3"x3 1/2"x 1/3") View size: 96x42mm (3.85"x1.76") UV/IR protection: Up DIN 13 Time from light to dark: 1/10000s Time from dark to light: 0.1-0.9s step less adjustable Sensitivity: step less adjustable Power : solar cells Operation temperature: -5-55 degree centigrade (23degreeF-131degreeF) Dimension: 110x90x8mm (4 1/3"x3 1/2"x 1/3") View size: 96x42mm Shade number: DIN 4/9-13