Raymarine Dragonfly Pro is a dual channel SONAR wide angle chirp downward visions of sea bed. One channel gives you views of the area such as sea bed contours, vegetation while from the other you have targeted views of fish.

Wi-Fi enabled device allows you to stream live SONAR data using Raymarine’s Wi-Fish mobile app. Record live your fishing expedition to rewind and view later.

The Raymarine  Dragonfly Pro comes options of 4”,5” and 7” inch display frame screens. Have Navonics plus charts of US and Canada coastline along with over 20,000 lakes.

Bundled together is a transom mount with SONAR transducer that can measure temperature.

Retail Reserve Price $250.97

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Remove the guesswork from your fishing. Use Humminbird 410220-1 HELIX 5 CHIRP Di GPS chart plotting and photographs. Spot locations of fish. View the sea bed contours and vegetation from its wide angled SONAR Chirp. Powerful clear photographs on the GPS display monitor.

Precision plotting through advanced dual beam chirp SONAR. Plus Humminbirds unique switchfire 2D feature. That gives you control of your fishing expedition. Humminbird is setting standards by incorporating base maps from LakeMaster.

NOAA’s current data to access accurate maps, navigational aids of entire US coastline and over 10,000 lakes. With Humminbird 410220-1 HELIX 5 chirp Di GPS G2 fish finder. You simply know where to fish.

There is no data usage while charting your map in real-time.

Retail Reserve Price $ 299.47

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Garmin Striker 4 Built-in GPS Fish Finder. Get to know what is beneath and around your boat. See visible photogenic SONAR Chirp pictures on your GPS device. The advanced Garmin device allows you to chart. Routes to different fish shoal and species viewed on the display.

Its superior technology enables you to make right decisions after considering boat speed type of net against the species for a successful catch.

The devises portability enables you to use Garmin Striker 4 Built-in GPS Fish Finder on boats. Out at sea, Kayak, Canoe or ice fishing. It’s available in options of 3.5, 5 and 7 inch display frame sizes.

Retail Reserve Price $105.20

Price at Amazon