It is a female-to-female coupler, meaning it has a female HDMI connector on both the front and back.
It can be installed into a wall panel and is a good choice for home theater setups.
The module is designed for easy installation, with a plug-in design that allows for insertion into a standard wall mount hole.
The use of a wall plate allows for a professional and tidy appearance for connecting devices like TVs, projectors, and game consoles