Inspect the rear camera mount and any branding near it.
READING GUIDETOWING & VISIBILITY
Travel Trailer Backup Camera Compatibility
How to check a trailer pre-wire, mount and power arrangement before buying an observation camera.
The fastest compatibility check is to identify whether the trailer is factory pre-wired and which camera family the mount/power connector expects. “Pre-wired for camera” does not guarantee every camera will bolt on or power up without an adapter.
What matters in practice
Confirm whether the camera is powered continuously with running lights or by another circuit.
Choose the field of view and monitor arrangement for how you actually tow and back up.