Camp Chef Portable Outdoor Oven Very efficient Camp Oven uses very little propane, 3000 btu max runs approx 7 hours on high for a disposable propane bottle. Great for emergency preparedness and loss of power situations. Overall Dimension: 13" L x 21" W x 11" H Inside Oven Dimensions: 10" L x 16" W x 10" H Fuel: 1 lb. disposable propane cylinder, can be adapted to a standard propane tank (HRDSP) Heat max 400 Degrees, so this oven will work for most of your cooking needs.