1. Mini lux meter with stable, safe and reliable measurement. 2. Wide measurement range 0-200,000 lux and automatic/manual range shift. 3. Measuring unit is switchable: Lux or FC. 4. MAX / MIN / Data hold functions, high accuracy. 5. LCD display with backlight for easy operation in darkness. 6. Low battery indication & Auto power off, energy saving. 7. Power supply: 3 x 1.5V AAA batteries (Not Included)