SEI Narita Convertible Media Espresso Electric Fireplace Easy to use adjustable thermostat; safety thermal overload protector; adjustable flame brightness control; realistic flickering flame effect; long life led lights Specifications: 120v-60hz, 1500w / 5000 btus, 12.5 amp; plugs into standard wall outlet; tested to heat 1500 cubic feet in only 24 minutes (14 feet x14 feet x8 feet ); uses about the same energy as a coffee maker; glass remains cool to the touch Details: espresso finish; mantel supports up to 85 pounds; accommodates up to a 50 inch flat screen tv; constructed of china red oak, mdf, pb with ash veneer and tempered glass; assembly required; cord management options in the back of the unit inch 48 Inch W x 15.75 Inch D x 32.25 Inch H (Flat Wall); 48 Inch W x 27 Inch D x 32.25 Inch H (Corner); Triangular storage shelves- 8 Inch W x 7.5 Inch D x 8 Inch H; equipment storage shelf- 23 Inch W x 13 Inch D x 5 Inch H;