12V 750GPH Automatic Submersible Bilge Pump with Built In Float Switch Marine Boat Accessory Item Type: Bilge Water Pump Material: ABS Model: NMBP11-G750-30-12 Maximum Flow: 750 GPH Rated Voltage: 12V Rated Current: 3.0A Fuse Current: 5.0 A Lift: Approx. 3 meter/9.8ft Cable Length: Approx. 1m/3.3ft Outlet Pipe Diameter: Approx. 3/4in /19mm Instructions for Use: 1. The automatic bilge pump can only be used for pumping water. Can not be used for other liquids, and can not be run dry. 2. When installing, connect the black wire of the pump to the negative pole (-), and connect the brown or brown-white wire to the positive pole (+) 3. Wire connections must be sealed with marine sealant, and all wires and connections must be higher than the bilge water level. Please do not remove the insulator at will if it is not necessary.