Digital LUX Meter environment condition:
Operation temperature and humidity: 0~40℃(<80%RH)
Storage temperature and humidity: -10~60℃(<70%RH, Removed battery)
Automatic and manual range select: √
Data Hold: √
Peak Hold: √
Relative measurement (zero): √
Unit conversion: FC/LUX
Display: 3 1/2 bit LCD display, maximum reading is 1999. And with analog bar display
Over load range tips: when the measured value exceeds the current range, the display will appear “1”/”FFFF”
Photo range: 20,200,2000,20000,200000Lux
20,200,2000,20000FC
Low power alarm: √
Auto Power alarm: √
Auto Power off: √
Key voice indication: √
Battery:   9V DC
Accuracy: ±3% (According to the ordinary incandescent lamp when calibrated at 2854K)
±6% Other visible light source