Portable Fish Finder Sonar Sounder Alarm Transducer Fishfinder 0.7-100m fishing echo sounder with Battery with English DisplaySonar Frequency: Cable: 200Khz Sonar Coverage: 45Degrees Detecting Range: 0. 6 183 Meter Power Source: No. 5 Battery Brand Name: DASNAKI Power Input: AAA Language: English Item Name: fishing echo sounder fishing finder Display: Tn anti uv lcd fishing finder Backlighting: Green led fishing finder Power Requirement: 4 x alkaline batteries(not included) Depth Range Max: 328 feet (100) Depth Range Min: 2 feets (0. 7m) Color: Yellow and Black Sonar