Duraflame Williams Portable Heater, 10HM4126-O107 Comes fully-assembled and ready to heat.The 10QI071ARA has a master reset which takes the unit back to manufacturer default Built from solid hardwoods and real wood veneers Uses 6 infrared-Quartz heating elements; heat exchanger: copper alloy; uses standard 120v, 3 prong ground outlet; heat output: 5,200 but; rated power: 1,500-Watts, 12.5 amps; infrared heating elements lifetime is over 20k hours Clean, contemporary simplicity:-front face surrounding heater featuresbeautiful picture frame miter style half round moldings Concealed furniture quality castersroll in any direction