Fishfinder with transducer and excellent target separation. CHIRP sonar for sharp imaging. Fish and arcs are recognised perfectly. DV= DownVￃﾼ, SV= SideVￃﾼ, Dual Beam = traditional sonar. Marking good fishing locations is simple with the high-precision GPS. The Striker Plus from Garmin has DownVￃﾼ, while the Striker 7sv has a splitscreen function for simultaneous display of DownVￃﾼ and SideVￃﾼ. The features allow you to see what is under the boat in real time up to a depth of 250m. The GPS also displays the speed on the screen. The device supports Minn Kotaￂﾮ and MotorGuideￂﾮ trolling motors with integrated transducers.