I bought this system and upgraded it to a wireless package. In retrospect I should have opted for a three camera system. One on the back of the TC, One on the horses inside the trailer and one on the back of the horse trailer. Right now I don't have one on the back of the trailer ( I can see over it with the TC camera. a button push toggles between camera images to be displayed.
https://www.tadibrothers.com/products/7-monitor-and-two-120-mounted-rv-backup-camera-for-a-horse-trailer-rv-backup-system![](https://tinyurl.com/ldx7amm)