Sourcingbay Portable Fish Finder with Round Sonar Sensor LCD display with LED back-lighting Detect and display grass, short & tall weeds, sand, and rocks on seabed Get the approximate location of fish and the depth of water Round transducer sensor with 7.5m cable, 45-degree beam angle Range of depth readout from 0.6 meters up to 100 meters With fish depth scale and audible fish alarm