Bidspirit auction | Systech Envelope Follower effects pedal

Systech Envelope Follower effects pedal - Systech Envelope Follower effects pedal. A rare pedal made by systems and technology in music out of Kalamazoo Michigan. There is no power input for this unit and present but it can be powered with a 9 V battery. The battery compartment is clean with no corrosion but the unit has not been tested. It is in good to very good condition as seen in the photos.