Ended up not being able to mount this Connect display how I wanted it and went a different route, also picked up a G4 Doorbell pro that I will not be using. Can provide photos as needed let me know. FTF cash or apple pay in loudoun county or herndon.

New never opened - G4 Doorbell Pro w/ POE adaptor - $500 (good luck finding this instock)
https://store.ui.com/collections/unifi-protect/products/g4-doorbell-pro
https://store.ui.com/collections/unifi-protect-accessories/products/g4-doorbell-pro-poe-adapter

Connect Display 21in(opened, updated, put back in box) + VESA mount + recessed mount -$950
https://store.ui.com/collections/unifi-connect/products/uc-display
https://store.ui.com/collections/unifi-connect/products/uacc-display-fm
https://store.ui.com/collections/unifi-connect/products/uacc-display-va

Ammo Trades - 9mm/.300/223-5.56
Gun Trades - glocks (gen4/5 9mm), high-end factory guns +/- cash eg ZEV
Optic Trades - Trijicon/EOtech/Vortex Razor, thermal monocular
Misc Trades - Ubiquiti 24port POE Pro Switch