SEI Kingsbury Media Black 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: black finish; mantel supports up to 85 pounds; accommodates up to a 50 inch flat screen tv; two cord management options in the back of the unit; secure magnetic shelf closure Dimensions: 48 Inch W x 15 Inch D x 32.25 Inch H; Firebox front - 23 Inch Wide x 20 Inch Tall; Eight spacious storage shelves- 8 Inch W x 6 Inch D x 10.25 Inch H; Media equipment shelf- 42.5 Inch W x 13 Inch D x 5 Inch H