When equipped with a Light Add-on Kit, a Solatube provides the convenience of a switched light at night use, providing an all-in-one illumination system.
The 10" Solatube Light Add-on Kit, accepts one 100 watt incandescent lamp or a 26 watt compact fluorescent lamp.
The 14" Solatube Light Add-on Kit accepts up to two 100 watt incandescent lamps or two 26 watt compact fluorescent lamps.