Garmin Echo 301Dv Sonar -
The user-friendly Garmin echo 301DV Sonar clearly reveals what's under the water, helping you catch more fish. It uses Garmin DownVü™ that produces clear and precise HD-ID™ sonar images and a nearly photographic sonar view of what's under your boat. Images are clearly shown on a 3.5"-inch diagonal 256-color display with 320 x 240 QVGA resolution. Garmin Smooth Scaling™ technology keeps you from losing sight of sonar history as the unit changes depth ranges. 300 watts of transmit power (RMS). Includes an all-in-one transducer for DownVü and 77/200kHz (also supports 50/200 kHz with optional transducer). Comes with a quick-release swivel mount and FREE mounting kits for transom and trolling motors.