This is basically Boss' flagship GT1000 multi-effects and amp modeler packed into a smaller box. There's a plethora of amps and effects on deck, and it's reasonably easy to navigate and use. The format really is nice too, it will fit on a standard pedalboard without much fuss.

Model: Boss GT-1000CORE Multi-effects Processor 
Made: Malaysia, recent model
Serial: A2Q7229
Type: guitar multiple effects processor
Power Input: standard 9v DC centre-negative (supply not included)
Accessories: original box

Condition notes: Used, no major marks. Tested and fully functional.
Overall: very good condition (8/10)