Navigon 5100 3.5-Inch 
Product Features
- ? Superbly accurate, door-to-door directions with pre-installed maps of U.S. and Canada.
- Speaks street names via Text-to-Speech
- Subscription free liftetime traffic out of the box
- Lane Assistant & Reality View features that simplify your drive
- Zagat ratings and reviews
Technical Details
- Receiver Description: 20 channel
- Connectivity Technology: USB