PACKAGE INCLUDE: Note Rest, Bench, Piano Cover, Pedal, AC AdaptorSPECIFICATIONS Keyboard : 88-key piano keyboard, with Touch Response Maximum Polyphony : 64 notes Tones : 10, Layer Effects : Reverb (4 types), Chorus (4 types) Metronome : Beat bell: 0 (Off), 1 to 9 (beats) Tempo Range: 20 to 255 Demo Songs : 2 Recorder : Functions: Real-time recording, playback Number of Song: 1 Capacity: Approximately 2,500 notes total Recorded Data Protection: Built-in flash memory Pedals : Damper (Soft and sostenuto pedal operations enabled by the optional SP-34 Pedal Unit.) Other Functions : Touch Response: 3 types, Off Transpose: –12 to 0 to 12 semitones Tuning: A4 = 415.5 Hz to 465.9 Hz (Initial Default: 440.0 Hz), variable in 0.1 Hz steps Scale Tuning (Temperament): Equal + 16 other types MIDI : 16-channel multi-timbre receive Inputs/Outputs : PHONES/OUTPUT jack: Stereo mini jack (3.5mm)/ Output Voltage: 1.2V (RMS) MAX Power: 12V DC AUDIO IN jack: Stereo mini jack (3.5mm)/ Input impedance: 10kΩ/ Input voltage: 200mV USB port: TYPE B DAMPER PEDAL jack: Standard jack (6.3mm) PEDAL UNIT jack: Special jack Speakers : 12cm x 6cm (Oval) x 2 (Output 8W + 8W) Power Supply : 2-way Batteries: 6 AA-size alkaline batteries Battery Life: Approximately 13 hours continuous operation on alkaline batteries AC Adaptor: AD-A12150LW Auto Power Off: Approximately 4 hours (AC Adaptor) / 6 minutes (batteries) after last operation; can be disabled. Power Consumption : 8W Dimensions : 132.2 (W) x 23.2 (D) x 9.9 (H) cm (52 1/16 x 9 1/8 x 3 7/8 inch) Weight : Approximately 10.5kg (23.1 lbs) (without batteries)