Adjustable Temperature Heat for 400 Sq. Ft - This electric fireplace heater with 5000 BTU can heat the space up to 400 sq. ft to provide you with sufficient and steady warmth. Besides, the temperature can be adjusted from 62°F to 82°F. And the built-in thermostat keeps the room temperature at the temperature of your choice for endless warmth and energy-saving.SpecificationsColor - Black/Gray/Brown/WhiteMaterial - Engineered wood + MDF + steel + tempered glass + plasticOverall dimension of TV stand - 58" x 16" x 32" (L x W x H)Overall dimension of electric fireplace - 24.17"x5.10"x17.52"" (W x D x H)Cord length - 6 ftTotal net weight - 110 lbsWeight capacity of countertop - 66 lbsWeight capacity of each open shelf - 33 lbsWeight capacity of each upper shelf in the cabinet - 20 lbsWeight capacity of each bottom shelf in the cabinet - 22 lbsRated power - 1400WVoltage - 120VFrequency - 60HzHeat output - 5000 BTUHeating range - 400 Sq. FtHeating sound -