Place in the center of a patio table for warmth while you dine with friends and family. It is portable and is perfect for camping and tailgating. With a 11,000 BTU output, this heater is small but mighty and will heat up an area of about 30 sq. ft. There is a built-in anti-tilt automatic shut off technology will shut the unit off if it is tipped over. Another safety feature is the burner screen guard, keeping you safe from the heating element itself.