Check the listing for details. Dukane PRO120 35mm random access slide viewer/projector with audio tape sync. Condition: Used. Listed at 145.00 USD. This is a 35mm slide viewer projector with slide synchronizing audio tape player and Random Access remote control. It only supports 80 Slide Kodak slide trays. An empty tray is supplied. It only supports horizontal slides. This is from the late days of slide/tape just before VCR/TV combination units became affordable and portable. It was considered bad presentation form to use vertically oriented slides because we were all trying to transition toward TV horizontal format. It has a random access remote control. This means that you can enter a number between 1-80 and it will go to that slide. This unit was also at the crossroads of film, computer and way before digital photography became real. It was intended to use like on the road to recall and present specific photos on demand. There is a door on the front that you can open to project on a screen. It plays back (no record) audio tapes that have a presentation on one track and a 1Khz slide synchronizing advance tone on the second channel. Slide sync player. Intended to have an audio narration recording to automatically step though a presentation. It has been tested and all features work. It is sold as is because there is no one left to repair them. Unit will be shipped UPS Ground with insurance.