As this mmWave sensor is rather different than the rest of the Tuya-bases mmWave radars, it will be better to discuss it in a new, separate thread.
Available for purchase from Amazon : Amazon.com
Moes branded sensor us available for purchase from AliExpress: (link)
Currently, not all configuration options are available in Hubitat, but the basic functionality (presence/motion detection) is working.
If you have this device, please use the latest dev. branch version of the 4-in-1 driver :