This is an intermediate to advanced level, multi-function, 61 standard piano-key electronic keyboard. This premium musical instrument by Hamzer is brand new and includes everything needed to play right out of the box. It uses 8 x D batteries or an accompanying, UL-approved adaptor. It also has an option to activate touch-sensitive keys that produce louder notes by pressing harder (mimicking a piano). Featuring dual teaching modes and 11 notes marked for learning, this keyboard allows you to record and playback your music as you practice and improve. It includes 136 timbres, 128 rhythms, 8 percussions, 61 keyboard percussions, and 40 demonstration songs. Play single-fingered and fingered auto-bass chords with 4 chord timbres, program rhythm to play with, and utilize effects such as pitch bend, transpose, vibrato, sustain, & dual timber. Additional features include rhythm shift, sync, fill-in, intro & ending, 64-level tempo control, and an auto-metronome that plays 1/4, 2/4, 3/4, & 4/4 beats. 16-Stage master volume control is available, along with 8-stage rhythm volume control and 8-stage chord volume control. This keyboard also has 3 memory banks for recording and playback of performance settings, and a keyboard split function. 6 Built-in speakers offer flawless sound, stereo outputs and a headphone jack can be used to listen through external speakers or headphones, and a MIDI output jack is available for external recording. An LCD display clearly shows settings and a detachable stand is included to hold sheet music. Measurements: 37-1/2″ (Long) x 14-1/4″ (Wide) x 5-1/4″ (High). Standard keys: 61. Color: Silver. Weight: 12 pounds. Includes: Keyboard, 120v UL A/C adaptor, sheet music stand, and owner’s manual.