This used Casiotone MT-68 works great and sounds amazing!
Uses 5 D size batteries or AC Adapter. AD-1 AC adapter not included.
Original box not included
One of the orange sliders is missing but you can still use that control.
All of the 49 keys work.
This has some cool features like different bass, chord and arpeggio settings and a modulation function that's really fun. This has 20 tones, 12 different rhythms, has lots of features. This is tunable, has headphone capability and a line out.
This runs on 5 D batteries or a power supply, not incuded. The battery back is present and the battery compartment is VERY clean. The foam on the battery cover is in great condition.
This measures 25" across, 7.5" deep and 2.5" tall.