Ready to Go Fishing The Supra I.D is a high quality fish finder designed for use by professional fishermen as well as beginners. Fish ID feature in this Eagle LCD fishfinder displays fish symbols on the screen depending on the size of the fish. Signal interpretation in this Supra fishfinder gives you an appropriate signal depending on the kind of bottom that your boat is passing through like firm sand, rocky, hard clay, etc. Advanced signal processing (ASP) program in this Supra fishfinder eliminates noise that helps true targets to be displayed on screen with minimal clutter. The display of the Supra I.D is backlighted for night use. The fish alarm in this Eagle LCD fishfinder sounds an alarm whenever a fish is present. PRISTINE CONDITION. NEVER INSTALLED INCLUDES: all manuals, cords, & mounting hardware.