This is our 54 keys electronic keyboard which is perfect for stimulating your child s imagination. Comes with A learning function that can be used for kids of all ages this keyboard is definitely the best gift for your children. Do not hesitate to bring it home! Feature High quality 54 Standard Accordion keys 16 Volume control 6 Demo Songs/Lesson/7 Sound Effects 32 Tempo Control Vibrato/ Sustain/ Chord Record/ Playback Learning Function LED display External speaker/microphone/DC/AC Power Power supply: battery or charging as you like Specification Color: Black Dimensions: 24.8 x 7 x 2.4 (L xW XH) Package size: about 27 x 9 x4 (L xW XH) Weight: about 5 lbs Output power:4w Rated voltage: DC 9V