Features: Large, ultra-bright 5" diagonal QVGA display 234 x 320 pixels Preloaded with charts for over 14,000 U.S. lakes and navigable rivers Built-in high-sensitivity GPS receiver 2 NMEA 0183 I/O ports
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Garmin Gpsmap 531 Series Gps Receiver Gpsmap 531 Without Dual-Beam Transducer
Will get you lost in the back woods somewhere has no idea where it's going. If you tell it to take the short route I promise it's going to take you as far of course as possible I do not recommend this product to anyone that likes to get to there destination on time.
I had this a while ago and it did it's job however I felt like the routes were not updated so it would Take sometime to load which can be frustrating when you are driving and don't know where you are going