Street lamp from the manufacturer ArchiMet.

Article: 2.Т30.OK.0.V23-01/1

Format versions:
3ds max 2018 + V-Ray 5.10.02 + Corona 7.1

The model consists of 7 meshes the same elements are copied through instance everything is grouped into one group Street_Lamp_ArchiMet_V23_001 the pivot of the group is at zero height.
2 materials are used metal and glass for the ceiling.