Always a favorite, now better than ever! The latest edition of the Mr. Heater Big Buddy Heater includes several new key features that make it more versatile and more convenient than ever. First, the Big Buddy Pro Series now includes electric ignition for simple, push-button lighting. Next, your choice of Low, Medium and High heat settings allow you to customize the output to your space and needs. PLUS...an integrated, high-powered fan distributes heat more quickly and more efficiently. With dependable heat, versatile settings and a convenient, portable form factor, the Big Buddy Heater is perfect for your garage, ice shelter, hunting blind and more. Safe heata |for years to come. Small and compact, the Mr. Heater Big Buddy Pro Series is packed with features to keep you safe and secure, while keeping yourself warm. The Oxygen Depletion Sensor (ODS) automatically shuts down the Heater when there's not enough oxygen surrounding it. This will prevent the unit from continuously using the oxygen in your shack, and leaves it for you. The accidental tip-over safety shut-off turns the unit off if it's tipped over by more than approximately 45Adeg. This prevents it from igniting your shack, grass, or papers on fire. Always remember to leave plenty of clearance around your heater for your safety and for the safety of those with you. For use with propane gas NEW electric ignition with single control start knob NEW integrated, high-powered fan 3 heat settings: Low, Medium or High, deliver 4,000, 9,000, or 18,000 BTU per hour Heats up to 450 sq. ft. Quiet, clean, odor-free operation Swivel regulators allow for easy connection to fuel canisters Automatic low oxygen shut-off system (ODS) Accidental tip-over safety shut-off Runs off of two 1-lb. propane cylinder (not included) Can also be powered using a 20 lb. propane cylinder for up to 108 hours of run time using optional hose assembly (sold separately - Item #651018) Keep warm and order today!