The product is a vintage electronic keyboard manufactured by Suzuki in Japan in 1989. It is an Omnichord model OM-200 and comes with a hard case and power cord. The Omnichord is a unique instrument that combines elements of a keyboard, autoharp, guitar , drums (with variety of beats) and  much more to produce a distinctive sound. It is a rare find for collectors of vintage musical instruments and gear. All keys and buttons work. Beautiful sounds . Includes the adapter also runs on battery. Been in case so it is nice and clean.  Case has some minor scratches. Overall good condition 👍