The big Daddy of Boss delay pedals... it does everything and more. There's heaps to play with and it's pretty easy to drive for a pedal in the 'spaceship' genre. 

Model: Boss DD-500
Made: Taiwan; February, 2016
Serial: A3G0861
Type: digital delay
Power: standard 9vdc centre-negative supply
Switching: true bypass
Mods: none
Accessories: none

Condition notes: used, no major marks, fully functional.
Overall: excellent condition