This runs on a TRS cable and can be used to control stuff like a Trio+ Looper, for example.

Model: Digitech FS3X Footswitch
Made: China, 2012
Serial: NA
Type: loopers/switching
Power Input: standard 9v DC centre-negative (supply not included)
Accessories: none

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