can be used with any bilge pump switch, alerts to excessive bilge
pumping. The red light activates each time the pump runs.
pump runs longer than two minutes a loud buzzer, built into the panel,
sounds........indicating excessive pumping and potential bilge high water
processor and printed circuit is used in this and many of Aqualarm's marine
electronic products for reliability and timing accuracy.
3" wide x 2-1/2" high