Self-priming, centrifugal pump. Ideal for jon boats, utility boats, dinghys, inflatable boats and all other small watercraft. Also great for removing fluids from many non-marine applications. Features Powered by 3 D-cell batteries 250 GPH flow rate at zero head 3 by 4 x 36 in. hose wraps around body for stowage; Wide strainer base adds stability Suction cup or screw mount, Includes clip to attach hose to transom Submersible, Runs dry without damage