Features: Mini lux meter with stable, safe and reliable measurement. Wide measurement range 0-200,000 lux and automatic/manual range shift. Measuring unit is switchable: Lux or FC. MAX / MIN / Data Hold functions, high accuracy. LCD display with backlight for easy operation in darkness. Low battery indication Auto power off, energy saving. Note: When measuring under MAX mode, the meter will only display the value greater than the current value; when measuring under MIN mode it will only display the value less than the current value.