This keyboard has tons of impressive presets, hundreds of sounds, and awesome functions to make practicing and performing easier than ever. The Kurzweil KP-150 has 61 full-size synth-action keys with 3 selectable sensitivity levels that fit the playing style of most players. The KP-150 makes practicing fun, thanks to the Auto-Accompaniment feature. Simply select the style of accompaniment and you're ready to noodle around for hours at a time. Once you come up with a great song, switch on the built-in MIDI song recorder and immortalize your performance. With optional battery power and lightweight design, you can practice with the KP-150 anywhere you want, whether you're on the bus or sitting in the park.