Just a heads-up: the documentation still refers to version 2.2, but the current version of the addon is 2.7
Lights Control
The node is used to control light sources. Can recolor the beam length, control the intensity on various aspects of materials
Settings
Strength – overall intensity
Diffuse – influence on diffuse
Transparent – Effect on glass
Specular – influence on speculators
Indirect – The power of secondary bounces
Lights Distance min/max – Minimum maximum length of the light beam
