LemonBest Portable Wired Fish Finder Round Sonar Sensor Fishfinder With 10m Cable,45 Degree Beam Angle, Removable Float 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 10m cable, 45 degree beam angle The latest high-tech electronic products, apply to the pond, river, sea and other fishing environment