The Single Tank Top 15,000 BTU Radiant Propane Outdoor Space Heater by Mr. Heater is a portable heater designed for outdoor use. It has a sleek silver design and operates on propane fuel, with a radiant heating element made of stainless steel. With a power ranging from 12,000 to 15,000 BTU and an efficiency of 85-90%, this heater is ideal for covering an area of 100 sq ft or less. It features a control style with dial and switch options, and includes an auto shut-off feature for added safety. Perfect for outdoor spaces, this heater is a reliable and efficient heating solution for chilly weather.