Morningstar's advanced SunLight solar lighting controller combines the SunSaver
design with a microprocessor for automatic lighting control functions.
A rotary digital switch is used to select from 10 different lighting modes
such as dawn to dusk, 2, 4, 6, 8, 10 hours of operation after sunset, few hours
on after sunset, off for most of the night, then a few hours on before sunset.
An extremely flexible and reliable controller which regulates solar charging