Submersible,self-priming,centrifugal pump is ideal for jon boats,utility boats,dinghy's,inflatable boats and all other small watercraft. Also great for removing fluid from many non-marine applications. Powered by 3 D-cell batteries,it can run dry without damage. Wide strainer base adds stability with suction cup or screw mount. ?" x 36" hose wraps around body for stowage and includes clip to attach hose to transom. 250 GPH, 5" x 5" x 12"