Keep warm during chilly nights with this cozy patio heater. Place it next to your favorite patio set for warmth that spreads up to 210 sq. ft. Its built-in wheels make it highly mobile and extra convenient as you move around your outdoor space looking for that perfect spot to enjoy those long winter nights. This unit has an electronic ignitor that requires one AAA battery. It's mainly made of steel, stainless steel, and aluminum. It includes wheels, cylindrical quartz glass, a protective screen that prevents contact with the heating cylinder, and a flame emitter to create a rotating fire.