TNP HDMI + Ethernet Network RJ45 + RCA + Coaxial F Connector Multi Combo Wall Plate - 4K Ultra HD port, RCA Composite Video Audio Subwoofer Jack Socket Insert Wiring Plug Outlet Cover Panel Convenient and cost effective one-piece lead-frame and wall plate design; Covers wires coming into a mounted electrical box Eliminate that cluster of wires and hid them behind a wall; Install cables behind your flat panel TV or other audio/video devices, flush to the wall surface; Run your cables cleanly and neatly through the wall; Perfect for HDTV & wall mount installations and home theater Allows cable management internally rather than externally; Used to organize and protect low voltage cable when passing through the wall Works great with HDMI cables, coax cables, all standard RCA AV audio video cables, all network cables Easy to install, just mount with screws and attach cables to front of plate