This listing is for a Yamaha Clavinova design CLP 820. It's a complete 88 keyed keyboard with bench.
Take a look at this connected to see the all the features this model of keyboard offers:.
http://usa.yamaha.com/products/musical-instruments/keyboards/digitalpianos/clp_series/clp820/?mode=model.
This Clavinova is in wonderful condition! Please call or text for more details or more concerns.