It includes Argon/Neon and Tungsten lamps for wavelength calibration and flat processing. Activating one or the other lamp triggers the internal switch inside LISA which moves an internal miror in front of the spectroscope.

See a more detailed description of LISA with several applications links

Power supply (2 are needed) not included :12V, connector 2.5mm, positive in the center.
For main supply in 220V, according european standard, see in 1 way or 4 ways.