Erchang Wireless Sonar Fish Finder


It is a wireless sonar fish finder. There have two pins in the sonar sensor’s bottom. It is the switch. When the sonar sensor into water, the sonar sensor will start to work. The switch according water’s conductivity. It mean you should store it in a dry and insulated place when you not use it.


Shenzhen Joylemarry Electronic Co.,LTD

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