The model was created in the 2018 version and saved in the earlier 2015.
The OBJ format is also present.
There are no third-party plugins, all elements are named by their names.
For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of materials is configured taking into account PBR,
(SCENE IN MILLIMETERS)
Width 300. Height 645. Depth 145 mm.

https://www.eichholtz.com/en/wall-lamp-marino-109530.html