It includes a TV shelf and two side shelves for storage. It is already assembled

TV shelf has two doors to keep things not visible. Side shelves also one door and two baskets each.

See details:
TV Shelf
Shelf: https://www.ikea.com/us/en/p/besta-tv-unit-black-brown-70474062/
The doors: https://www.ikea.com/us/en/p/hanviken-door-drawer-front-black-brown-00294795/
Mechanism for doors: https://www.ikea.com/us/en/p/besta-soft-closing-push-open-hinge-80261258/

Side Shelves
Shelves: https://www.ikea.com/us/en/p/kallax-shelf-unit-black-brown-40275846/
The doors: https://www.ikea.com/us/en/p/kallax-insert-with-door-black-brown-60278170/
Mechanism for doors: https://www.ikea.com/us/en/p/besta-soft-closing-push-open-hinge-80261258/
Baskets: https://www.ikea.com/us/en/p/knipsa-basket-seagrass-20110540/

Note: TV NOT included