Product Type Portable Gas Convection Can Heaters Fuel Type Propane Heating Capacity Output 200 000 BtuH Heating Area 4 700 sq ft Minimum Cylinder Size 100 lb Ignition Type Matchless Piezo Ignition Power Source Manual Overall Height 26 1/8 in Overall Width 15 7/8 in Overall Depth 15 7/8 in Safety Features Inner Windshield Air Temperature Rise 150 Degrees F Features Auto Safety Shutoff Continuous Variable BTU Output For Use Indoors/Outdoors Indoor/Outdoor Fuel Consumption 9.28 lb/hr