Boss OD-2 Turbo Overdrive Pedal 1988

I used to drive a VW Golf. Later, I acquired a Golf GTi, with a heckn turbo. Guess which one was better? Yep, the turbo one.

Model: Boss OD-2 Turbo Overdrive
Made in: Taiwan, Aug 1988 (serial 937046)
Type: overdrive
Power: Boss ACA 12v adaptor (not inc) or daisy-chained off Boss TU-2/3, or 9v battery
Equivalent new street price (approx): n/a
Mods: none
Accessories: no box or manual
Condition notes: used, few minor marks, fully functional. Overall: very good condition,