Kero-World, 10,500 BTU, Compact Convection Style Indoor Kerosene Wick Heater, Radiant & Convective Heat, Radiates Heat In A 360 Degree Radius, Sure Seat Chimney System, Operates Up To 15 Hours On A 1.1 Gallon Fuel Tank, Heats Up To 450 SQFT, UL Listed, Operates Without Electricity.