This specific 3D model, "Sci-Fi Room Low-poly 3D model buy", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
The license for this digital asset is "Unknown license".
UNITYPACKAGE (Unity 3D, filesize: 182 MB), FBX (Autodesk FBX, filesize: 2.8 MB), TEXTURES (Textures, filesize: 169 MB)