For Corona render, it is recommended to install a version not lower than 1.5, since the glossiness of the materials is configured with PBR in mind.
In the archive you will find the file max 2018, FBX and OBJ.
The diameter of the ceiling is 80 cm. the height of the ceiling is 18 cm. The total height of the lamp is 145 cm.CoronaLightMtlb material is used for the light bulb, which allows you to adjust the intensity of lighting and color temperature.
https://bit.ly/3G35Sqb