What will not work?
A Grafik eye QS wireless does integrate with RA2. I use it everyday in my kitchen?
A Grafik eye QS wireless can also be ordered with up to 3 Integration devices which includes the following (QSE-IO), (QSE -NMK-E) and (QSE-CI-DMX).

https://grafikqsdesigntool.lutron.com/

[Link: lutron.com]