LifeSmart 6 Element 1500W Infrared Quartz Electric Portable Space Heaters (Pair) Large Room Infrared Heater with Smart Boost Technology (2 Pack) 6 quartz infrared heating elements in a dark oak cabinet Approx. 150 sq ft of coverage (varies on environment) Smart Boost Technology using 2 mica heating elements for faster heat up 3 heat settings: 1,000 watt, 1,500 watt, and Eco