2.8" LCD Display Monitor 45M Fish Finder Sonar Sensor River Ocean Alarm. Sonar: 125KHz wireless. Sonar frequency: 125KHZ. - Sonar beam angle: 90 degree. 1 x Coloured LCD Fish finder. - Distinct display screen, you can get all the data you need, containing the depth of the sea, the situation of fish and so on.
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