The ENERG+ HEA-21522MI-S triple wattage hanging gazebo heater uses radiant infrared energy that requires no gas or other flammable fuels. It has three individually activated infrared lamps that provide 700, 800 and 1500 watts. It can be plugged into a standard 120V AC wall outlet and is water and dust resistant. Infrared heat is safe for the environment with zero carbon monoxide emissions and hardly affected by wind, making this unit cost effective and environmentally friendly. A handy remote control and a hook and chain are included. A functional and decorative LED light at the base of the unit makes it an attractive addition to your décor. This product is backed by a one-year limited warranty.