Garmin's Striker 5DV Sonar/GPS Combo combines a highly sensitive built-in GPS with advanced CHIRP 77/200kHz and CHIRP DownVü sonar for some of the clearest sonar images on the water. Plus, you can mark hotspots so you can return to them later and even share your favorite spots with other Striker and echoMAP combos. Also features Smooth Scaling™ depth-range adjustments and built-in flasher. Sonar history rewind for waypoint marking. 5" color display sports intuitive controls for customizing your setup. Includes transom and trolling-motor transducer-mounting kits.