Fireplace mantel w/ authentic Carrara marble surround in eye-catching herringbone layout; Supplemental heat for a cozy feel in a room up to 400 square feet Included acrylic fill allows for customization; Color changing lights bounce off acrylic fire rocks, personalizing your fireplace look Long life, energy efficient LED bulbs; Fits standard wall outlet, no additional electrical equipment required; Ceramic heating element Overall: 50? W x 15? D x 39? H; Assembly Required, 2-person assembly recommended Contemporary style; White finish w/ white and gray marble; Dust with a soft, dry cloth. Clean marble frequently with a clean, soft damp cloth; use a mild liquid detergent and warm water. To protect the finish, avoid the use of all chemicals and abrasives.