Jabsco RM800B Bilge Pumps; Voltage (DC): 12; Amperage Rating: 4.0; GPH @ 0 Feet of Head: 800.000; Operation: Automated; GPH @ 3.35 Feet of Head: 570; GPH @ 6.7 Feet of Head: 400; Shut Off Feet: 12; End Connections: Hose Barb; Outlet Size (Inch): 3/4;