The In-Wall Cable and Power GearBox (GB-INWAVPB) works well with all Premier flat-panel mounts and is easily installed into a drywall surface.- Works well with all Premier flat-panel mounts- Includes UL approved junction box- Includes knockouts for power and signal- Mounts vertically or horizontally- Can install in drywall - No need for dedicated pre-construction stud placement- Easy installation and placement