1. Measurement range: 0Lux ~200,000Lux/oFc~185,806Fc. 2. Digital update: 2 seconds at a time. 3. Photometric probe: silicon diode. 4. The operating temperature and humidity: 0 Celsius~40 Celsius. 5. Save the temperature and humidity: -20 Celsius~50 Celsius. 6. Power: 9V battery (not included). 7. Size: 52.5mm x 35.5mm x 166mm. 8. Backlight function. 9. Low voltage battery symbol instructions. 10. Application: Factories, schools, office, transportation route, house and so on, used to measure light intensity of various occasions.
