Portable Gas Tank-Top Heater, Head Shape Rectangle, Number of Heads 1, Heating Capacity Output 16,000 BtuH, Heating Area 400 sq ft, Minimum Cylinder Size 11 lb, Overall Height 13 1/8 in, Overall Width 10 1/8 in, Overall Depth 4 1/2 in, Number of Heat Settings 1, For Use Indoors/Outdoors Outdoor Only, Fuel Consumption 0.66 lb/hr, Fuel Type Propane, Heating Method Radiant, Ignition Type Manual Pilot