1.LCD backlight display,easy for reading,wide measurement range from 0-199999 lux. 2.Measuring unit is switchable: Lux or FC,include data hold function. 3.Maximum and minimum value measurement,low battery indication, automatic and manual power off function. 4.Compact and light,convenient to carry,overload indication. 5.Widely used for monitoring light intensity in laboratory,office,school,indoor farming,etc.