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Automatic bilge switches for control of pumps allows the bilge pump to be operated in presence of water.Advantages include the operation by microcontroller, advanced digital filter to detect the presence of water, and remote indication of operation status by LED & manual remote pump switch by on-button (LED and button sold separately). Also protects against excessive battery rundown. Switch-on/off (5 second/20second) delay to avoid false switch-on/off cycling of the pump caused by the roll of the boat.