Lamp collection containing all 12 lamp packs for one small price is now available:

https://www.unrealengine.com/marketplace/en-US/product/0aa48b04a81143cc8951623c02db89ea

Package contains a set of 12 different City Lamps, all optimized and game ready

•  12 unique City Lamps
• Materials can be swapped
• Optimized for Games