Portable Gas Tabletop Heater Fuel Type Propane Heating Capacity Output 12 000 BtuH Heating Area 300 sq ft Body Shape Rectangular Minimum Cylinder Size 1 lb Housing Color Black Yellow Ignition Type Direct Spark Ignition Power Source Battery Unavailable In Canada Massachusetts Overall Height 16 3/8 in Overall Width 17 1/8 in Overall Depth 12 1/8 in Safety Features Automatic Low Oxygen Depletion Shut-Off System (ODS) Certified Portable Radiant Heat Tip-Over Safety Shut-Off