Luminance Meter Dual Display, 4-digit LCD reading. Spectral Sensitivity close to CIE photopic Curve. Measuring Levels Ranging 0.001 to 1999k cd/m², 0.001 to 580.0k fL, Autoranging7 step. Luminance ratio A/B, deviation %A,different B-A and peak luminance measurements. User calibration factor and colour-correction functions. Accumulation luminance measurement. Max/Min/AVG function. Comparator function. Data Hold function. Data memory and read function. Data logger function. USB Interface.