LED Light Meter LED Lighting Types Measuring Range 0 to 40 000 Lux 0 to 4000 fc Resolution 0.01 FC or 0.1 Lux Accuracy +/-3 Percent Display LCD Peak Hold No Data Hold Yes Min./Max. Memory Yes Data Logging No Interface No Auto Power Off Yes AAA Battery Type Photo Diode Sensor with Cosine Correction Sensor NIST with Data Calibration Certificate Includes (2) AAA Batteries Light Sensor Cover NIST Traceable Certificate of Calibration Pouch Manufacturers Warranty Length 1 yr