-no plugins/modifiers etc
-model fully UVs unwrapped
-diffuse texture size: 8192x8192
-model was made in real size
-scene units measurement: millimeters
-dimensions: 70.9 H x 81.8 W x 73.1 D (cm)

https://www.iolamp.com/en/products/mushroom-cap-chandelier?variant=15273978 

You can find even more high-quality models in my profile:
https://3dsky.org/users/TypicCube