This is an illuminometer that uses the illuminance sensor built into the terminal.
The camera light automatically turns on and off according to the illumination.

Light meter
Displays the light sensor information of the device.
* Not accurate. The displayed illuminance varies greatly depending on the distance and angle between the device and the light source.

Auto on / off light
When the illuminometer value falls below the value specified for ON, the camera light will turn on.
When the illuminometer value exceeds the value specified for OFF, the camera light turns off.

ON / OFF lux scale
Changes the maximum value of the ON / OFF seek bar.
* 500 or the maximum value supported by the light sensor of the device

Turn off with battery level
When the battery level falls below the specified value, the camera light turns off.

Turn off when application is paused
If the application is paused while the light is on, the light will turn off.

* The device must be equipped with a light sensor and a camera (camera light).
* Camera control authority is required.