I bought this unit about 5 months ago for my jon boat, then ended up buying a bass boat with two fish finders already on it. It has only been used 3 or 4 times.
http://www.basspro.com/webapp/wcs/s...-E881-DE11-B712-001422107090&mr:referralID=NA
http://www.protravelgear.com/buoytoys/products/HUMMINBIRD-140C-FISHIN-BUDDY.html
Humminbird® 140c Fishin' Buddy® Ultimate Portable Fishfinder
Humminbird Ultimate Portable Fishfinder
The 140c Fishin' Buddy is perfect for your boat, a dock, or even a float tube! No rigging or wiring involved with the versatile ergonomic clamp mount. Just clamp on and fish. Features a telescoping 24" to 40" transducer tube housing. One-touch control for access to advanced features, even Selective Fish ID+™. Exclusive SideFinding™ sonar spots fish all around your boat out to 120 feet: simply turn the unit the direction you want to search, and the 140c Fishin' Buddy's 3-1/2'' high-resolution color display with backlighting clearly displays where fish are. Six AA batteries (not included) supply all the power needed for hours of enjoyment
http://www.basspro.com/webapp/wcs/s...-E881-DE11-B712-001422107090&mr:referralID=NA
http://www.protravelgear.com/buoytoys/products/HUMMINBIRD-140C-FISHIN-BUDDY.html
Humminbird® 140c Fishin' Buddy® Ultimate Portable Fishfinder
Humminbird Ultimate Portable Fishfinder
The 140c Fishin' Buddy is perfect for your boat, a dock, or even a float tube! No rigging or wiring involved with the versatile ergonomic clamp mount. Just clamp on and fish. Features a telescoping 24" to 40" transducer tube housing. One-touch control for access to advanced features, even Selective Fish ID+™. Exclusive SideFinding™ sonar spots fish all around your boat out to 120 feet: simply turn the unit the direction you want to search, and the 140c Fishin' Buddy's 3-1/2'' high-resolution color display with backlighting clearly displays where fish are. Six AA batteries (not included) supply all the power needed for hours of enjoyment