The app will measure the intensity of the light in your environment. It calculates the illumination level in lux and also provides the corresponding units in liters per square meter, kilometers per square meter, feet per second, and candles per second. It can be used to calculate the brightness of your room, the light intensity in a given place, or the illumination level of any other source.

To calculate the illumination level, the app uses the built-in sensor and the device's processing power. 

This app can be used to measure the brightness of your room or the light intensity in a given place.