HDMI WALL FACEPLATE
Has HDMI socket inside with approximately 16cm cable.
Fits standard wall boxes.
Shielded to reduce interference from other cables.
The professional way to run HDMI cables behind walls.
You are advised to test HDMI cables and faceplates in place using the intended devices at first fix stage, before commencing any plaster / boarding work as there are many variables which can affect signal performance when using long cables.