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 100 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 Fuel Shut-off Device, Safety Tip Switch, Features Fuel Shut-off Device, One Hand Piezo Ignition, Variable Output, For Use Indoors/Outdoors Indoor/Outdoor, Fuel Consumption 3.71 lb/hr WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)