Replacement for Furrion backup camera display

Have enjoyed my Furrion backup camera (actually their “observation system”) since receiving it as a Christmas present, but the display monitor was recently stolen from my truck. Any recommendations on getting a replacement? I contacted Furrion directly and they’ll sell me a replacement cheaper than buying a whole new unit, but wondering if there might be another alternative.

Thieves suck. They probably thought they were stealing a GPS. Useless without the camera on the trailer. Also stole my trailer keys (trailer not stored at house so not likely those will do them any good) and cheap Harbor Freight toolset under the back seat.