Designed to fit and be concealed behind 42" or larger flat screen displays.á Can be installed in both new work and old work applications.á Has 2 NEMA size openings for power, communication, or A/V devices.á Box is also equipped with a storage module that will accept active A/V equipment up to 6 7/8" x 9 1/8" (175mm x 232mm) (dimensions include wire and cables) in size