Smart Bilge Pump Switch Smart Bilge Pump Switch Ss209 12V Monitors your bilge water level and switches pump ON and OFF as needed Red warning light on panel (included) indicates pump is running Audible alarm (loud buzzer) activates if pump runs longer than (2) minutes Switch pumps an additional (15) seconds after the bilge is empty to completely clear bilge water 5 ft. marine-grade tinned wire included