This patented, submersible pump is a great way to remove unwanted water from boats, pool covers, aquariums, and sump pits. Convenient and safe because it needs no electrical cord - runs up to 5 hours on three alkaline D batteries. Pumps up to 200 gallons per hour. Includes 42" hose with garden hose adapter for adding longer hose. Lifts water to height of 40". Not to be used as a permanent bilge pump. 6-3/8"H x 5-1/4" diameter.