Features: Made of high quality 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 wireless operating 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 New Item Type:Fish Finder Material:ABS Battery:4 * AAA Battery (Not Included) Display Size:58 x 45mm/2.3 x 1.8in Working Time:5 Hours Depth Range:0.6-36m Sonar Frequency:125KHZ Radiation Angle:45° Sonar BeamAngle:90° Wireless Operating Range:100m WorkingTemperature:-20- +70℃ Host Size:Approx. 12.5x 7 x 3cm/ 4.9x2.8 x 1.2inch Sensor Dia:Approx. 7cm / 2.8inch Sling Length:Approx. 41.5cm / 16.3inch Charge Cable Length:Approx. 1m / 39.4inch Weight:Approx. 438g / 15.4oz Package List: 1 * Wireless Receiving Host 1 * Wireless Remote Sonar Sensor 1 * Sling 1 * Charge Cable 1 * Antenna 1 * User Manual