Lightly used 399TH-R Loaded!! Purchased in May 2021 and have only taken this beast on 2 real trips. I am in the Air Force with have a pending move and change in life circumstances need to sell as soon as possible. The unit is still under factory warranty and has a 5 year extended warranty that can be transferred as well. Unit is loaded with all options including solar, with the exception of double pane windows and full-body paint. Upgrades that have been made: 3x AGM Batteries. Tuft & Needle Queen Mattress in Garage. Front Bedroom Converted into “Kids Room” with 2x Twin size beds (can easily be converted back to King Master Bed).