Lychee Fish Finder New Portable Sonar LCD Alarm Sea Contour Ice 100M 328Ft Detect Weeds Get the approximate location of fish and the depth of water With fish depth scale and audible fish alarm Detect and display grass, short & tall weeds, sand, and rocks on seabed Round transducer sensor with 7.5 m cable, 45-degree beam angle User selectable meter or feet readings