88-Key Celviano Tri-Sensor II Scaled Hammer Action Piano, Imitation Ebony and Ivory Keys, Touch Response, 3 Sensitivity Levels, Multi-Dimensional Morphing AiR Sound Source, Maximum Polyphony: 256 Notes, 250 Built-in Tones, Layer/Split, Digital Effects, 180 Built-in Rhythms, Auto Accompaniment, 60 Built-in Songs, Lesson Function, Metronome, MIDI Recorder: 17 Tracks x 5 Songs, Audio Recorder: 44.1 kHz WAV Format / Approximately up to 25 minutes per song , Tone Select Button, Rhythm Editor, Registrations: 96 Settings (4 Rhythm Areas + 8 Tone Areas) x 8 Banks, Auto Harmonize, Duet Function, Extend Tuning, Octave Shift, Panel Lock, Key Cover Slider Type, Key Transpose, Tune Control, Full-dot LCD Display with Backlight, GM Level 1 Compatibility, MIDI In/Out, 2 x 16cm and 2 x 5cm Speakers, Amp Out: 30W+30W, 2 headphone outputs (standard stereo jack), dimensions: 1,377 x 427 x 911 mm, weight: 50.2 kg, dark wood tone finish, included accessories: height-adjustable bench, power adapter, sheet music book, sheet music stand, headphone stand and 3 pedals.