LOWRANCE 000-0112-51 iFINDER(R) Handheld GPS & MP3 PlayerAdditional Product Information:GPS & MP3 player ; 3" monochrome super-twist display ; Turn-by-turn directions; Handheld design for portability ; Waterproof & corrosion-resistant ; Built-in compass ;& barometric altimeter ; MultiMediaCard(TM) reader; Includes built-in U.S. background map ;& MapCreate(TM) Topo