Built-in with over 70 effects & amp models, a looper, and a drum machine. Equipped with an expression pedal that allows real-time control of effects such as volume, pitch, and wah while playing the guitar. No box or AC adapter, body only. Used at home, clean with no scratches. Operation confirmed. AC adapter: DC9V center minus, 500mA (ZOOM AD-16) 4 AA batteries, continuous operation time: approximately 18 hours (using alkaline batteries, when LCD backlight is OFF)