zoom ps-02. Used digital multi-track recording system. Body only. No adapter, but it powered on with 4 AA batteries. There are traces of battery leakage on the back of the unit, but the internal electrodes were clean. The battery cover has a chipped edge. Operation has not been confirmed as there is no SmartMedia. Please consider it as junk. Size: 80 x 90 x 20 mm - Model: PS-02 - Brand: ZOOM - Function: Pulse Top Studio - Input: Drums, Bass, Microphone - Effects: Effect Patch - Switch: Volume adjustment switch - Media Type: SmartMedia