Accessories Inside the Pump: Contain a small air stone and 1.5-foot silicone airline tubing. (NOTE: Both of Them Are Inside the Air Pump Body!) Extremely convenient for basic aeration setup outdoors! Battery Powered: Driven by 2 D batteries (Not Included), this live bait aerator features a long working time of 40 hours. An essential and reliable backup air source ? Great to be used during outdoor fishing or fish transportation. Steady Output: Max flow rate: 40 GPH; Pressure: ? 0.012 MPa. The battery air pump works great on bait buckets up to 30 gallons. Supplement oxygen in time to keep your fish and bait alive and fresh. Quiet Operation: The outdoor oxygen pump gives out noise less than 50 dB like the hum of a refrigerator. Never scare the fish away when you?re fishing. Ensure continuous running without disturbance! Light Portable: Size: 6" L x 3" W x 1.8" T. Really lightweight and space-saving. Just install 2 batteries to go out immediately. And the metal clip makes it easy to be fixed on your bucket. Product description