Bilge Alert High Water Alarm - 12V Ultima High water alarm featuring digital technology using the patented Mires field effect. Totally sealed fluid detectors are never in contact with water, will not corrode, and are not affected by oil or debris. Bilge Alert detects water and sends a signal (3 seconds delay) to the alarm and switch conveniently mounted on a panel. A three-way rocker switch allows the switch to be tested, turned off, and armed.  Features: * 12V high water alarm features digital technology * Sealed fluid detectors are never in contact with water and are affected by oil or debris * Three-way rocker switch allows the alarm to be tested, turned off, and armed