escription: TASI TA8122 200, 000 Lux Digital LCD Backlight Pocket Light Meter Lux FC Measure Tester Tachometer Luxmeter Features: 3-1/2 digit LCD display, Max reading 1999. Hand or Auto measuring range: 0~200, 000 Lux LUX / FC Unit selection. MAX & MIN Reading Hold Function. Storage 50 datas & delay logging function. (1 to 60 seconds selection.) Specificaition: Model TA8122 LCD Display 1999 Measuring 2000/20000/200000 Lux 200/2000/20000 Fc Resolution 1 Lux Accuracy 4%rdg 10dgts (10, 000lux) Total accuracy: for C.I.E standard illuminate A (2856K) Repeatability 2% Sampling Rate 2time/second Range Selection Automatic measurement/manual measurement Data Hold Display H" MAX/MIN Record Yes LUX/FC Selection Yes Data Logging Yes (50 data) Low Battery Display Yes Working Temperature 0℃ to 40℃ (32℉ to 104℉)