88-Key Celvian Tri-Sensor Scaled Hammer Action Piano, Touch Response, 3 Sensitivity Levels, Linear Modulation AIF Sound Source, Maximum Polyphony: 128 Notes, 250 Built-in Tones, Layer/Split, Digital Effects, 180 Built-in Rhythms, Auto Accompaniment, 60 Built-in Songs, Lesson Function, Metronome, Recorder: 17 Tracks (System Track + 16 Tracks) x 5 Songs, Key Select Button, Rhythm Editor, Registration: 96 Settings (4 Rhythm Areas) + 8 Tone Areas) x 8 Banks, Music Preset with Chord Progressions, One Button Preset, Auto Harmonize, Duet Function, Extended Tuning, Octave Shift, Panel Lock, Slide Type Key Cover, Key Transpose , tuning control, full-dot LCD display with backlight, SD card slot, SMF data compatible (format 0 or 1), GM compatible: Level 1, MIDI in and out, 2 x 16 cm and 2 x 16 cm speakers. 5 cm, amp output: 30W+30W, 2 headphone outputs (standard stereo jack), line in and line out, USB port, dimensions: 1,412 x 492 x 900 mm, weight: 57.1 kg, finished in dark wood tone , accessories included: height-adjustable bench, headphone stand, sheet music book, sheet music stand and 3 pedals.