This unit came with the boat I bought. I have since upgraded. The Ultranav II is a GPS and Fish Finder. It includes everything.....unit, transducer, GPS antenna, power cord....etc. I'm pretty sure I even have the manual for it. It is in excellent condition. - See More Here: http://www.michigan-sportsman.com/classifieds/showproduct.php?product=3308 Wanna kill these ads? We can help!