Yamaha YPT-230 Keyboard - 61 keys, 385 sounds incl. XGlite Voices, stereo piano, 100 styles, 102 internal songs, 9 reverb typs, 4 chorus typs, none-touch setting, GM system, transpose function, metronome, 32-note polyphony, Yamaha Education Suite Y.E.S. 6 Lesson/Guide, 2.5W speaker system, LCD display, connection: headphone/line out, sustain pedal jack connection, MIDI in/out, dimensions in mm BxTxH: 945 x 348 x 118, weight 4,5 kg, power via batteries or power supply, includes power supply (PA-130) and music rest.