Portable Fish Finder

Portable Fish FinderFeatures: 1) Depth readings from 0.7m to 100m with icon display 2) Small round transducer with 7m cable, 45-degree beam angle 3) Removable float 4) LED backlight display 5) 4 x AAA batteries, battery save mode, battery strength indicator 6) High/low sensitivity setting 7) Fish depth scale, audible fish alarm 8) User selectable meter or feet readings 9) Water resistant design 10) Able to shoot through boat hull and clear ice 11)Can display different bottom (grass,sand,rock) in the sea 12)Canresistthe interference from the grass when use in lake.