Fully functional, fair cosmetic condition Boss DR-3 Dr. Rhythm Drum Machine with 9 volt adapter DR-3’s Rhythm Progressions and multiple variations make it easy to create a realistic-sounding drum track for any style of music. And with Total Sound Control, you can tweak your kits to perfection. Choose from 100 Preset styles and use the eight panel buttons to switch between different sections of your song. You can choose up to 3 variations each intro, verse, fill and ending, so your drum tracks don’t get monotonous Change the overall sound of a drum kit with effects including 3-band compression and parametric EQ, or use the Ambience effect to put the kit in a different space. This can run on batteries (not included), but I am also including an Ablegrid 9V AC adapter Cosmetically this has several scuffs and scratches and some areas of tape residue