These are the newest Generation 2 Lutron Model Number: QSN2-4T20-S Energi Savr Node 0-10 V/ Soft switch.
Size: 13.25 in. x 9.25 in. x 3.15 in.
Voltage Options: 120V/277V/347V
https://assets.lutron.com/a/documents/3691206.pdf
Please let me know how many you need and I can create another post just for you.