This camper has the smooth fiberglass/Styrofoam sandwich walls. I'm pretty sure that the camera prewire likely has power all the time and only the monitor turns on and off with the reverse, but I will be checking that. That is one of the reasons for using a wired camera as the signal cable has power conductors running with it. I've pulled all the access hatches, most of the running light fixtures and the rear turn signal/stop light fixtures and I cannot see any wires going up from anyplace near the back of the camper. This is out fourth camper, the only new one, and I really don't want to run any wiring on the outside or cut any additional holes. Just want to keep it looking new. Plus the Furrion system is $300+ and would require another device on the dash of the truck.