The new echomap CHIRP comes with Clearly Scanning sonar technology. The smart GPS devices which lie under Garmin CV Series offer Built-in CHIRP traditional sonar and CHIRP. Also, this dedicated SV Series devices helps you with the built-in CHIRP traditional sonar, CHIRP clearer, and CHIRP sidevü capabilities. The exclusive CV Series comes with built-in 500 w Chirp traditional sonar and Chirp clearvü scanning sonar. On the other hand, the SV Series offers all of the same Features Plus Chirp sidevü scanning sonar. The device can acquire the best-in-class Internal 5 Hz GPS updates position and heading 5 times per second to make marking and returning accurately to waypoints easier.