Mounts directly to a 20 lb. propane cylinder. (CYLINDER NOT INCLUDED). Included: adjustable heat control, Hi/med/lo regulator, operate one or two burners at a time. Heater shuts off automatically with loss of flame. Heats up to 15 hours on 20-lb. tank. Applications: loading docks, tailgating, poolside areas, patios, ice fishing, camping, vehicle maintenance and construction sites.