PME W758 Portable 9 Pad Drum Roll-up Drum Kit Material Color White Standard drum setting and expansive pedal make you feel absolutely the same as real drum. Professional demo inside, Convenient for study. Powered by 2 * AAA batteries or DC 5V port(not include). Accompaniment inside, temp adjustable (40-208), gives you the best way to study and practice. With record function, you can record your inspiration anywhere anytime. Audio input and output interface, excellent expandability for other devices