GARMIN FISHFINDER 300C Color Depth Echo sounder Marine FishGARMIN FISHFINDER 300C Color Depth sounder PERFECT! GUARANTEE! Including the transducer and mounting bracket Works perfectly, fully tested with a guarantee. You get, what you can see in the photos. ***** The Fishfinder 300C color sounder is just right for recreational anglers who fish primarily in freshwater lakes. See Fish in Bright Color The 300C has a super bright, high resolution 3. 5" (8. 89 cm) QVGA color display with an improved user interface,