Casio Digital Keyboard CTK-1500

Number of Rhythms/Patterns: 70
Automatic Accompaniment: Yes
Built-in Songs :100
Songs: Lesson Lite, Scoring System, Voice Fingering Guide, Part Select (Right hand, Left hand, Both hands)
Speaker :10cm x 2
Amplifiers :2W + 2W
Power Supply: 2-way [Batteries] AA-size alkaline batteries x 6 Approximatery 12 hours [AC Adaptor] AD-E95100L (DC 9.5V)
Power Consumption: 5.5W
Dimensions: 946 x 307 x 92 mm (w/o music stand)
Weight :3.3 kg