Card Reader LED Control
You can enable or disable the LED lighting on the card reader area. You can also set a specific time to turn on the light.
To set it up, go to the Device > Light > LED Of Swiping Card Area interface.

Start Time- End Time (Hour): Enter the period for the LED lighting to be valid, e.g., if the period is from 18-22, it means the LED light will stay on from 6:00 pm to 10:00 pm during one day (24 hours).
LED White Light
White light LED is mainly used to reinforce the lighting for the QR code access and for the greater visibility of the visitors when seeing their images from indoors in a dark environment.
To set it up, go to Device > Light > White Light interface.

Mode:
Auto: The white light will be turned on automatically for facial recognition and QR code scanning.
OFF: Disable the function.
Max White Light Value: Set the white light value from 1-5, and the default white light value is 3. The greater the value it is, the brighter the light will be.
LCD Screen Brightness
You can set up the backlight brightness so that users can better see the screen in an environment with high or low light intensity.
Set it up on the Device > Light interface.

Backlight Brightness: The default is 200. The higher the value, the brighter the screen is.
You can also set it up on the Display&Sounds > Backlight screen.
