1、Auto Operation: Built in float switch and electronically controlled reed sensor system for fully automatic operation. 2、Efficient Work: 750GPH large flows water output together with 0 meters discharge head ensures great work efficiency. 3、Extensive Uses: Allows for broad application on boat drainage, water circulation cooling, liquid transfer and so on. 4、Working Safety: Good sealing performance with flame retardant and corrosion resistant protection for better safety. 5、Easy to Install: Light in weight and compact in size as well, the easy installation can be quickly finished in minutes. 1 x Submersible Pump1 x User Manual Item Type: Submersible PumpDrive Mode: ElectricTransport Medium: Clean Water PumpPump Shaft Position: Side VerticalImpeller Structure: Closed ImpellerImpeller Suction Method: Double SuctionFlows: 2.839m³/hNumber of Impellers: 5pcsDischarge Head: Approx. 3.0m / 9.84ftDischarge Diameter: Approx. 19mm / 0.75inStructural Principle: Middle Open PumpNumber of Stages: MultistageVoltage: 12V 3ADiving Performance: Can be completely submerged in water. Switch: Float SwitchWater Output: 750GPH