This is the community hardware device I am using, created by @iharyadi. It measures temperature, humidity, pressure, and illuminance all in one Zigbee device. The 'packaging' is up to the user... You can private message @iharyadi to see if he has any available, as he builds these himself.
As @Ryan780 mentioned, Mode Manager does not support Lux as a trigger for mode changes. And in all honesty, if probably shouldn't. There are many other Apps that do support Illuminance as part of lighting automations. And if all else fails, you can use Rule Machine. But please try to use the other built-in apps first, as they are much simpler and you'll get better support for them from the Hubitat Team.
Some Weather data integrations also can provide "Lux" data, but there is nothing better than having your own local device, IMHO. Having to depend on the Cloud for this data may lead to variability in the behavior of the automations.