Features: 1.Equipped with built in electronic controlled reed sensor system, it can easily realize fully automatic operation. 2.Built?in float switch, no separate float switch is required. Stainless steel shaft, non?dry running, good sealing performance. 3.With corrosion protection and ignition protection. Features compact design, high efficiency and long service life. 4.The snap?on filter is easy to install, no need of complicated operations, provides you with many conveniences. 5.Do not use any power source until the internal float switch activates the pump (when the water level rises). Specification: Item Type: Bilge Water Pump_x000D_ Material: ABS_x000D_ Model: NMBP11-G750-30-12_x000D_ Maximum Flow: 750 GPH_x000D_ Rated Voltage: 12V_x000D_ Rated Current: 3.0A_x000D_ Fuse Current: 5.0 A_x000D_ Lift: Approx. 3 meter/9.8ft_x000D_ Cable Length: Approx. 1m/3.3ft_x000D_ Outlet Pipe Diameter: Approx. 3/4in /19mm_x000D_ _x000D_ Instructions for Use:_x000D_ 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._x000D_ 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 (+)_x000D_ 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. PackageList: 1 x Bilge Water Pump 1 x Manual