Attwood 'WaterBuster' Cordless Portable Pump.

This patented, battery operated submersible pump is a great way to remove unwanted water from boats, pool covers, hot tubs, aquariums and sump pits. Convenient and safe, too, because it needs no electrical cord – runs up to 5 hours on three alkaline batteries. 6-3/8" high x 5-1/4" diameter.

• Pumps up to 160 gallons per hour.
• Includes 42" hose with garden-hose adapter for adding longer hose.
• Lifts water to height of 4 feet.