Datacomm Electronics 45-0251-WH in-Wall, Recessed Expandable Media Box with 4.0 Dual USB Ports, White USB receptacle included - 15 amp / 125 volt dual power plus 4.0 amp dual USB ports Conceal multiple low voltage a/V cables behind your wall mounted display Low profile design to fit behind the industry's thinnest mounts and displays Mounting wings on the back of the plate fasten against the drywall as you tighten - no additional brackets needed Expandable Cavity increases in-wall storage space by 75%