I’m working on updating this integration (on the shoulders of others).
There is currently a bug in the main Python Library wrt Night Light, but once that is fixed the night light should work. There is a fix required for ensuring all the fans listed in the main Python Library do work with the HA integration. As I don’t have a fan, I’ll not be able to test it.
I have a test repo and created a new topic. VeSync development particularly for Levoit Humdifiers