tandem axle, extra headroom, 30 amp RV type electrical system, fully insulated, bunk beds with very good cool foam pads, microwave, refrigerator, propane stove with vented stainless steel exhaust hood and ceramic surround, double bowl sink, water pump, shower stall, porta-potty, variable speed reversible ceiling vent fan, custom cabinetry, LED lighting, 4 windows with custom curtains, smoke detector and propane detector, 100 watt solar panel with charge controller, 12 volt AGM battery. No hot water heater, no black water tank. We used it to camp a few times. We used a window A/C and an oil filled electric radiator for heat.