Lets you choose between a custom or a preset light setup. You can also adjust settings like the Light Falloff and rotation of the light presets.
By default all lights have infinite falloff but you can use the falloff setting to give lighting a more natural look when lights are further away from your objects.
These lighting presets are used in place or in addition to your custom lighting setup. There are 12 different presets to choose from. From Dramatic to Natural, they can help you easily check your models in a different light. You can access these presets in both the Element UI and the Effects controls under render settings.
Brightness
Adjust the overall brightness of the lighting presets.
Fine tune the X,Y,and Z rotation of the lighting presets.