Feature:1. Automatic: The pump automatically turns on when the water level reaches 2 feet (51mm) and turns off when the water level reaches 0.75 feet (19mm).2. High Power: The bilge float switch is high power, and comes with a self installing card holder, which is easy to install and suitable for yachts.3. Matching with Water Pump: Bilge pump float switch can form an automatic shutdown or start system to avoid idling, dry running and burning or failure of the water pump, and automatic duty can be realized.4. Applicable: Used for automatic operation of bilge pumps or alarms of 12V, 24V and even 32V, and can be used for general domestic water and seawater.5. ABS Material: The shell of the boat bilge pump float switch is made of high quality ABS, and the internal metal contacts ensure reliable start or stop.Specification:Item Type: Bilge Pump Float SwitchMaterial: ABSTotal Length: Approx. 1m/3.3ft12V Rated Current: 20A24V Rated Current: 10A32V Rated Current: 8AWire Gauge: 18AWGApplicable Voltage: 12V 24V 32V.Package List:1 x Bilge Pump Float Switch1 x ManualNote:Please allow some errors due to manual measurement.