Casio CTK496 Keyboard with Power Supply, Stand and Akai Digital Chord Finder 61 standard keys 12-note maximum polyphony 100 tones 100 rhythms Includes a rugged keyboard stand, an AC adapter and even an electronic Akai Keyboard Chord Finder. 61 standard keys 12-note maximum polyphony Includes a rugged keyboard stand, an AC adapter and even an electronic Akai Keyboard Chord Finder. 100 rhythms, 100 tones