Bring the Portable Sonar Fish Finder with you wherever you fish. This Fish Finder uses traditional yet effective wired function to detect the schools of fish in any particular area and depth of water with depth range from 0.6m to 100m. It features 45-degree-angle sonar beam, transducer float, selectable sensitivity, fish alarm, and battery save mode to help achieve your fishing stories. The compact and portable fishfinder can be applied to lake, river, sea and other fishing environments. Detection Contents Detect and display water depth, approximate fish location, short & tall weeds, sand, and rocks on seabed. Detection Depth Range The fish finder has 2 kinds of units(meter or feet ) with depth readout from 0.6 meters to 100 meters. Transducer Float Round transducer float with 7.5m cable sends out and receives the echoes to help you map the fish location. Sonar Sensor It will emit a sound signal when the sonar fish finder meets the objects. Then sound signal will be reflected back on time so you will know the fish location and the distance. Widely Application Portable fish finder can be applied to lake, river, sea and other fishing environments. Specifications Measure Units Meters / Feet Display TN/Anti-UV LCD display Backlighting Green LED backlight Diameter of Round Transducer Sensor 46mm Depth Range 0.6M - 100M Sensor Beam Angle 45 Degrees Operating Temperature from -20℃ to 70℃ (-4℉ to 158℉) Battery 4 x AAA batteries(not included) Product Weight 560g Package Contents 1 x Fish Finder 1 x Round Transducer with 25ft cable 1 x Transducer Adapter 1 x Neck Strap 1 x Stainless Wing Nut 1 x Manual