Product Type Portable Gas Convection Can Heaters, Fuel Type Propane, Heating Capacity Output 80,000 BtuH, Heating Area 2,000 sq ft, Minimum Cylinder Size 20 lb, Ignition Type Matchless Piezo, Ignition Power Source Manual, Overall Height 18 1/2 in, Overall Width 15 7/8 in, Overall Depth 15 7/8 in, Safety Features Inner Windshield, Air Temperature Rise 144 Degrees F, Features Auto Safety Shutoff, Continuous Variable BTU Output, For Use Indoors/Outdoors Indoor/Outdoor, Fuel Consumption 3.71 lb/hr