Kurzweil PC3LE7 76 Note Performance Controller and Workstation Keyboard, Light Edition, Semi Weighted Action Keys, Blue and Black 76 note semi weighted action with velocity and after touch sensitive keys 240 x 64 backlit LCD with dedicated back panel contrast control 64 voice polyphony PC3 sound engine, complete with anti-aliased VA oscillators and KB3 Mode PC3 sound set, including Base ROM, Orchestral, Classic Keys, String Section, General MIDI set and over 70 KB3 programs with total of over 800 programs