Below is a list of files provided by the Utopia Labs Iray Lights product.
Core
Utopia Labs Iray Lights
Content :
/Light Presets/Dreamlight/Iray/Utopia Labs Lights/UL Iray Render Preset.duf
/Light Presets/Dreamlight/Iray/Utopia Labs Lights/UL Iray Render Preset.duf.png
/Light Presets/Dreamlight/Iray/Utopia Labs Lights/UL Lights.duf
/Light Presets/Dreamlight/Iray/Utopia Labs Lights/UL Lights.duf.png
/Runtime/Support/
DAZ_3D_44527_Utopia_Labs_Iray_Lights.dsa
/Runtime/Support/
DAZ_3D_44527_Utopia_Labs_Iray_Lights.dsx
/Runtime/Support/
DAZ_3D_44527_Utopia_Labs_Iray_Lights.jpg
/Runtime/Textures/Dreamlight/Iray/Utopian Labs/Background6.hdr