HONEYWELL SOUND SLIDE SYNCHRONIZER FOR PREVIEW SLIDE PROJECTORS AND MOST STEREO TAPE RECORDERS #6663 in Original Box
The synchronizer couples your tape recorder and slide projector together to add new interest and professionalism to slide shows. The Synchronizer control box has a meter which is used to properly adjust the synch playback signal from the tape and has a forward and reverse buttons. It comes with cord that plugs into end of synchronizer and the tape recorder. Top end of unit has 5 prongs that plug into projector. There is some minor discoloration on the box, however everything appears to be in good like-new condition.