You are buying a footswitch:
 

Nice little footswitch, about 3"x3" with rubber treads top and bottom to keep it from walking around.  10' of cable currently terminates in a 9-pin connector, closing pin 6 to pin 7.  You may like to replace the connector with an RCA plug or phono plug.   Full proceeds will go to charity - thanks!

Will be shipped within 24 hours of receipt of payment.  Check my 100% feedback rating and buy with confidence.  Thanks for looking!