What is the Epiphone Les Paul ukulele tuned to?

The factory tuning for the Epiphone Les Paul Ukulele is G, C, E, A going low to high. This is the standard Ukulele tuning but many alternate tunings exist and the Epiphone Les Pual ukulele will happily accommodate these too.

What type of pickup in installed in the ukulele?

The Epiphone Les Paul ukulele is fitted with an under-saddle piezo pickup, just like most acoustic guitars. The pickup senses vibrations from the string through the Ukulele's bridge and sends that signal to the output, giving you a pleasant, natural uke sound.