Stansport Portable Outdoor Propane Heater Two 12,000 BTU's 3.25" burners, high altitude pressure regulator Compact 18" length Stainless steel drip pan, heavy duty pot or pan rack Piezo electronic igniter for matchless lighting, uses a 16.4 oz. propane gas cylinder (NOT INCLUDED) Warning: ALL propane lanterns, heaters and stoves are "NOT FOR INDOOR USE"