Product Name: Dot Matrix Portable Sonar Fish Finder, Fishing Tackle (FF718) Model NO.: FF718 Type: Fish Finder Depth Range: 80m Power: 4xaaa Batteries Trademark: LUCKY Transport Package: Color Box Specification: CE, RoHS Origin: Zhejiang Province, China HS Code: 8543201000 Product Description Special color FF718Detailed Product DescriptionSpecification:Depth readings from 2.0 to 240ft in 1/10th precisionSmall round transducer with 7m cable, 45-degree beam angle200kHz Sonar FrequencyRemovable floatLED backlight with wide window display4xAAA batteriesBattery save modeBattery strength indicatorLevels sensitivity settingHigh/Low sensitivity settingClear fish iconFish alarmBottom contourUser selectable meter or feet readingsWater Temperature IndicatorWater resistant designAble to shoot through boat hull and clear iceCan display different bottom (grass, sand, rock) in the seaCan resist the interference from the grass when use in lake