Johnson high water bilge alarm. Totally sealed digital detector with 100db alarm and LED warning. Panel with sealed detector, never in contact with water - 12 volts - Marine. Will not corrode and is not affected by boat oil or debris. Bilge Alert detects high water and sends a signal to the alarm (100db) and LED warning light switch conveniently mounted on a panel. Three way rocker switch allows bilge alarm to be tested, turned off and armed. Features new digital technology using the patented Mirus field effect cell.
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