Electric Roof Lift System, 42" Sidewalls, Fully insulated composite construction (including floor), High-gloss fiberglass  exterior, Smoked safety glass windows, 2" x 4" powder-coated frame with integral bumper, Diamond plate front rock guard, Electric Brakes w/ Breakaway, Stabilizer Jacks w/ Pads (4), Aluminum spoke wheels, Spare Wheel and Tire w/ Mount, Baggage Doors, large pass-through storage compartment (n/a XL1920 & XL1938), Dual 20 lb LP Tanks, Deluxe Inner-Spring Mattress, 62" x 21" Skylights Front and rear (rear only on dormer units), Deluxe angled windows, Fantastic Fan Roof Vent, 55 Amp Power Converter / Battery Charger, 16K BTU Furnace, 3 cu ft Refrigerator, 3 Burner Cooktop, 17 Gallon Water Tank, 12V Water Pump, Deluxe Folding Faucet, Sink w/ Cover, Porta Potti access door, AM/FM/CD/DVD Stereo, 12V and TV Cable Outlets, Fire Extinguisher, CO, LPG, and Smoke Detectors.