Attwood Waterbuster Portable Cordless Pump, 200 GPH, 6-3/8" high x 5-1/4". This submersible pump is a great way to remove unwanted water from boats, pool covers, aquariums and sump pits. Convenient and safe, too, because it needs no electrical cord ? runs up to 5 hours on three alkaline D batteries. Excellent for use as a portable pump-out device for paddle boats, inflatables, duck boats, dingies and kayaks. Any craft that lacks a hard-wire, permanent electrical system. Includes 42" hose with garden-hose adapter for adding longer hose. Lifts water to height of 40".