【Depth Finder Function】: Sonar finders detecting depth range of the fishing sonar is from 2.6ft(0.8m) to 164ft (50m) with detecting degree. Sonar radiation angle: 105 degrees. 【Multipurpose】: This fishing finder can get the approximate location of and the depth of water and also can detect and display grass, short & tall weeds, sand, and rocks on seabed.
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