Product Type Direct-Fired Portable Oil Kerosene Torpedo Heaters Portability Handheld Portable Heating Capacity Output 80 000 BtuH Heating Area 1 900 sq ft Tank Capacity 5 gal Hours on One Filling 9 hr Ignition Type Interrupted Spark Ignition Power Source Electric On/Off Switch Included Yes Fuel Gauge Included Yes Power Failure Indicator Included Yes Digital Temperature Readout Included No LED Diagnostics Included Yes Built-In Air Pressure Gauge Included Yes