White light is to fill light when user trying to unlock via face recognition and QR code.

On web portal, go to Intercom - Advanced to configure.

White Light Mode: there are two light mode: auto and disabled. Auto: when user trying to unlock via face recognition and QR code, and the environment is dark, the white light will be enabled automatically. Off: when white light is off, white light will not turn under any condition.
Max White Light Value: maximum value of white light.