KEEPS BAIT FRESH: The Flambeau Outdoors Deluxe 12V/110V Aerator is designed to oxygenate water to keep your live bait fresh for longer periods of time. RUNS ON BATTERY OR ADAPTER: Runs on [2] D batteries (not included) to provide a long run time of 40 hours. You can also use the 12V and 110V adapters to keep live bait healthy overnight or during transportation. HOSE & STONE INCLUDED: The Deluxe Aerator includes an air hose, stone, 12V and 110V adapters so that you can use it to aerate any bait bucket, anywhere. PORTABLE, WATER-RESISTANT DESIGN: This aerator has a compact, portable design that is water-resistant so you can take it wherever your fishing excursions take you. SPECIFICATIONS: The Deluxe Aerator measures 5.38" L x 2.25" W x 6.13" D. Runtime: 40 hours. Runs on (2) D batteries (not included). Includes air hose, stone, 12V and 110V adapters.