Product Type Portable Gas Radiant Can Heaters, Fuel Type Natural Gas, Heating Capacity Output 100,000 BtuH, Heating Area 2,900 sq ft, Ignition Type Matchless Piezo, Ignition Power Source Manual, Overall Height 29 7/8 in, Overall Width 16 3/8 in, Overall Depth 16 3/8 in, Safety Features Fuel Shut-off Device, Features Fuel Shut-off Device, No Electricity Required, One Hand Piezo Ignition, Safety Tip Switch, Variable BTUs, For Use Outdoors Indoor/Outdoor, Fuel Consumption 104 cu ft/hr