The model comes with 2 variants resolution of PBR textures: 4k and 2k. Both variations have Diffuse (ordinary Diffuse, Diffuse.Alpha transparent, Diffuse.Transparent), Metallic, Roughness, Normal, Transmission and Opacity maps. Model have 3 Levels Of Details (LOD): LOD 0 - 3118 faces; 3546 vertices. LOD 1 - 1680 faces; 1218 vertices. LOD 2 - 670 faces; 599 vertices. Among the files you can find a readme file with some textures explanations