Portable English Wired Fish Finder Echo Sounder for Fishing Alarm Electronic  sonda de pesca Boat Sonar Box Pesca Tool<br />Get the approximate location of fish and the depth of water<br />LCD display with LED back-lighting<br />Round transducer sensor with 7.5 m cable， 45-degree beam angle<br />Depth range 0.6m to 100m<br />With fish depth scale and audible fish alarm<br />User selectable meter or feet readings<br />Display bottom rock or grass<br />Removable float<br />DisPlay :Dot-matrix(128*64) LCD<br />Back lighting :White LED<br />Power:3-AA batteries (Not included)<br />Sensor beam angle:45 degrees<br />Depth range:0.6-100meter<br />Operational Temperature:-18°C-50°C