Feature:2.0" high-definition LCD color screen with LED backlight.Detect and display grass, short &tallweeds, sand, and rocks on seabed.Get the approximate location of fish and the depth of water.Round transducer sensor with 7.5 m cable and removable float, 45-degree beam angle.With fish depth scale and audible fish alarm.User selectable meter or feet readings.Range of depth readout up to 100 meters.Display bottom rock or grass.Specification:Display: 2inch LCD color screen with LED back-lightingDepth range: 100m (328ft)Sensor Beam Angle: 45 degreesPowered by: 4 x AAA batteries (NOT included)Selectable between meter or feet readingsCan mount the sonar with the following methodsA. Fix it to the boat hullB. Use a float on the cable to mount the sonar inside the waterC. Fix it on a pole and push it into the desirable position inside the waterD. Cut a hole on the ice surface and place the sonar under the waterDisplay the nature or circumstance of bottom of Sea (i.e. grass, rock and sand)Dimension: 120 * 65 * 30mm / 4.7 * 2.6 * 1.2inNet weight: 163g / 5.7ozPackage size: 260 * 175 * 65mm / 10.2 * 6.9 * 2.6inPackage weight: 546g / 1.2lbPackage Included:1 * Fish Finder1 * Tranducer with Cable1 * Wing Nut1 * Neck Strap1 * User Manual