Garmin's ECHOMAP series of Fish Finders delivers clear, crisp sonar and mapping. Its clear, crisp sonar and mapping give you the ultimate advantage to become an instant expert wherever you fish. Crisp traditional sonar and brilliant ClearVu sonar leave the fish will have nowhere to hide. High-contrast, vivid scanning-sonar color palettes make it easier than ever to distinguish targets and structure. Know the waters you're in as if you grew up fishing them by using built-in Garmin Navionics+ inland mapping which includes a 1-year subscription for downloadable daily updates and more. If you have another compatible ECHOMAP UHD2 chartplotter on your boat, this ECHOMAP fish finder/chartplotter can wirelessly share information with it, such as sonar, waypoints, and routes. Built-in Wi-Fi connectivity pairs with the free all-in-1 mobile app for access to the OneChart feature, software updates, Garmin Quickdraw community data, and more. Features: High-resolution, easily viewable display GT20-TM Transducer for crisp traditional sonar and brilliant ClearVu sonar High-contrast color palettes Navionics+ inland mapping with 1-year daily updates subscription Built-in WiFi connectivity Access to ActiveCaptain all-in-1 mobile app Garmin Quickdraw community data