This fish finder is made of material, characterized by wide depth range and wireloperating range. It allows you to instantly capture the fish without watching the float for a long time. A great choice for you.Features:Made of ABS material, this fish finder is sturdy and durable. With this product, you can easily get the information about the fishes' location and sizes, as well as depth and bottom contour of underwater. Comes with wide depth range and wireloperating range. White LED backlight design for clear display at night. Suitable for lake and sea fishing, a great choice for you. Specification:Condition: 100% Brand NewItem Type: Fish FinderMaterial: ABSBattery: 4 * AAA Battery (Not Included)Display Size: 58 x 45mm/2.3 x 1.8inWorking Time: 5 HoursDepth Range: 0.6-36mSonar Frequency: 125KHZRadiation Angle: 45Sonar Beam Angle: 90WirelOperating Range: 100mWorking Temperature: -20 - 70Host Size: Approx. 12.5 x 7 x 3cm / 4.9 x 2.8 x 1.2inchSensor Dia: Approx. 7cm / 2.8inchSling Length: Approx. 41.5cm / 16.3inchCharge Cable Length: Approx. 1m / 39.4inchWeight: Approx. 438g / 15.4ozPackage List:1 * WirelReceiving Host1 * WirelRemote Sonar Sensor1 * Sling1 * Charge Cable1 * Antenna1 * User Manual