This is alarm siren, made in the style of Chernobyl. Traces of rust, corrosion, scratches, bad paint. Сreated from a real reference.
Wire for clarity
Also i am attaching the file substance painter, you will be able to export maps with a smaller resolution and add material to your library.
Textures resolution scale 4096x4096, created in substance painter
Added textures with resolution 512 for UE4.
Also added fbx files low-high poly models, u can use can be used as a highpoly model or change low poly to reduce polygons.