- In addition to what is standard, Ultra Lite models include 15K BTU main A/C, Thermal Package, Ultra Package, 15” aluminum wheels, power tongue jack and spare tire. Roamer (Travel Trailer) models include 13.5K BTU 2nd A/C, Appliance Package (323RLS only), fireplace (316RLS, 320RES, 291RLS and 323RLS only), chairs (288FLR, 291RLS, 292RLS and 323RLS only), 15K BTU main A/C, sink covers, Four Seasons Package, Executive Package, 15” aluminum wheels, front cap, ladder, lock arm stabilizer arms and power front and rear stabilizer jacks.