Casio Keyboard, this particular model is discontinued, and hard to find. They usually go about 70 dollars for a used one, I'm asking 40 because I don't have the power cord, BUT it is a pretty generic sized powercord and it easily replaced. It works fine otherwise.
-Keyboard, 61 piano-style keys
-Polyphony, 48 notes max
-Tones, 400 built-in tones
-Rhythms/Patterns, 150 total (100 standard, 50 Dance Music Mode)
-Built-in Songs, 60 song bank tunes
-Effects/Reverb (10 types), Dance Music Effects
-Connectivity/Headphone jack, Aux/Audio-in, Sustain Pedal jack
-Speakers10 cm × 2 (2W + 2W amplifiers)
-Power, AC Adapter (AD-E95100L) or 6 AA batteries
-Dimensions946 × 307 × 92 mm (approx. 37.2 × 12.1 × 3.6 inches)Weight3.3 kg (~ 7.3 lbs) without batteries