The Mr. Heater catalytic heater is designed for efficient radiant heat on the move. Utilizing the catalytic reaction between propane and oxygen to keep the heat coming even with minimal use of fuel. Mr. Heater has kept the pilot on and added a tip-over switch to maximize safety when operating. Keep the whole family warm with the new Catalytic Heaters from Mr. Heater! Up to 6,000 BTU Runs on low pressure liquid propane with a hose and regulator assembly (sold separately) Heats up to 230 sq ft Safety features include oxygen depletion safety shut-off system and tip-over safety shut-off Free-standing and wall-mountable design (feet double as wall mounts) No electricity required