An Amazing Combo with a 5" Display 5" VGA display HD-ID™ sonar 500W (77/200 kHz) transducer 10Hz GPS/GLONASS receiver Wireless connectivity echoMAP 50s is an amazing chartplotter and fishfinder combination. Its crystal-clear 5" display provides clear target separation, allows visibility both day and night, and has a user interface that anyone can navigate. It comes with a worldwide basemap or Garmin U.S. lakes or offshore cartography. Super-fast 10 Hz GPS/GLONASS With the integration of a 10Hz GPS/GLONASS receiver, the 50s refreshes position and heading up to 10 times per second. It displays constant and fluid on-screen location and proves to be incredibly accurate when marking waypoints and navigating. Advanced Echo HD-ID Sonar In addition to the integrated receiver, echoMAP 50s also allows for sonar recording. This feature coordinates the timing of the sonar return in relation to the boat’s position — so every one of the available 5,000 waypoints will be accurate and precise. It"s an absolute must when locating and pinpointing the next hot fishing spot. Transducer and Wireless Connectivity Included with echoMAP 50s is a dual-beam transducer that transmits a 77/200 kHz signal. It also has wireless connectivity capability, giving you the opportunity to connect and access marine-specific apps via smartphone or tablet. What"s in the Box: echoMAP 50s Power/data cable or power/data/sonar cable Tilt/swivel mount Flush mount kit Protective cover Bezel Documentation