BOSS OS-2 pedal (preowned)

Here we have a well used , loved , stamped on Boss pedal . Made in Tawain , it offers a cool overdrive and down right dirty distortion all in the one pedal . It only works with a power adaptor as someone left the battery in for way too long . An easy fix although we just plug it into a 9V power supply and it works well . Pictures help form descrition .