The Mr. Heater 9,000 BTU Portable Buddy Heater gives ice anglers, campers, and outdoor enthusiasts dependable propane heat when cold conditions settle in. Its radiant burner offers 4,000 and 9,000 BTU heat settings and warms spaces up to 225 sq. ft., making it a practical choice for ice fishing shelters, tents, workshops, garages, and other recreational spaces. During long winter sessions on the ice, anglers can adjust the output to match changing temperatures throughout the day. The heater connects directly to a 1 lb. propane cylinder (propane not included), while the swivel regulator supports connection to a larger remote propane supply with the appropriate optional hose and filter. A single control knob and integrated Piezo igniter simplify startup. Safety features include an Oxygen Depletion Sensor and accidental tip-over shutoff, while the fold-down handle makes the heater easier to transport between fishing spots, campsites, and work areas. 4,000 and 9,000 BTU heat settings Heats spaces up to 225 sq. ft. Runs on a 1 lb. propane cylinder (Propane not included) Connects directly to a 20 lb. cylinder with optional hose and filter (sold separately) Piezo ignition for easy startup Accidental tip-over safety shutoff Oxygen Depletion Sensor safety system Manufacturer's one-year limited warranty