The Furrion Vision S systems are all good systems but with slightly different configurations. The # FOS05TASF comes with the 5" display and a backup camera. The # FCE48TASL-05 comes with everything that the # FOS05TASF has plus the two side marker lights for a total of three cameras that replace existing lights. Your 2021 Forest River Independence Trail Travel Trailer may be pre-wired for a Furrion Vision S system from the OEM, if this is the case, then I highly recommend the # FCE48TASL-05... view full answer...