This is a BOSS BR-532 8-track digital studio with loop effects and an LCD display. It has been tested and confirmed to work with batteries as the adapter is not included. Would be great for simple home recording or demo creation! - Brand: BOSS - Model: BR-532 - Function: Digital Studio - Number of Tracks: 8 tracks - Effects: Loop Effects - Mixer: Audio Track Mixer - Display: LCD Display - Control Buttons: Various control buttons Thank you for looking.