Light Meter, All Visible Light Lighting Types, Measuring Range 200 to 10, 000 FC, 2000 to 100, 000 Lux, Accuracy +/-4 Percent + 2 Digits Lux, +/-4 Percent Readings + 2 Digits, 2000 to 10, 000 +/-4 Percent Readings + 20 Digits, Display LCD, Peak Hold No, Data Hold Yes, Interface No, Auto Power Off Yes, (6) AA Battery Type, Silicon Photodiode, Color Correction Filter Sensor, Cord Length 36 in, No Calibration Certificate, Includes Detachable Sensor, Sensor Cover, Batteries