The Garden Sun Patio Heater produces up to 11,000 BTUs of heat. It can be used when you want to spend time outdoors during chilly weather. This outdoor patio heater covers an area of up to 5" in diameter and uses liquid propane (LP) as the power source. This stainless steel patio heater has a weighted base to help keep it firmly in place and its built-in wheels allow easy mobility. This weatherproof heater has a pilot light and anti-tip turn-off function.