Right hand 107 buttons (64 notes). Left hand 138 buttons (2 rows of basses and 4 rows of chords in BS; 4 rows of notes with bass at the top of the keyboard and two rows of basses in chromatic bass.
MD 15 registers
MG 4 registers in BS and 3 registers in chromatic bass
MD, flute and bassoon in resonance box.
Good sound. Good bellows compression.