This is a Large Full Size Casio CTK-541 Casio Learning Keyboard Synthesizer.
Keyboard works great.
This keyboard has a large library of songs included. It plays the song and shows you which key to press as the music plays.
Tested with batteries. AC adapter not included.
Uses 6 D Cell batteries or AD-5 AC Adapter
Original box not included
All of the keys work.
The battery cover is present. The battery compartment is clean.
There are some marks on the surface of the keyboard but they don't affect the functioning of it.
