It sounds like your 2021 Forest River Sandpiper 321RL has the Furrion Vision S Wireless RV Observation Camera System w/ Side Marker Light Cameras # FCE48TASL-05, which if that's the case, then yes you can use the Replacement 7" Monitor for Furrion Vision S Wireless RV Camera System # FR97FR to pair to your existing cameras.
To pair your cameras, you will need to press and hold the pairing button on the cameras for 10-15 seconds to begin pairing process.
From here, you will:
1. Use... view full answer...
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