Features: This portable transfer pumps delivers a high flows rate of 3.2 GPM, powered by batteries or USB, with automatic stop to prevent overflows, making it ideal for transferring gasoline, , oil, and water efficiently. Featuring a strong ABS casing, reinforced rubber gaskets, a flexible 51 inch hose, and four size adapters (2.0, 2.1, 2.75, 3.75 inches), it ensures stable and versatile operate for various liquid transfer needs. Designed for owners, boat enthusiasts, generator users, and outdoor workers seeking a convenient battery powered fuels pumps for refueling vehicles and equipment. Use this fuels pumps in garages, workshops, farms, docks, or during outdoor activities to safely transfer liquids without spills or mess. With simple on/off button operate and integrated LED indicators, it offer effortless handling, saving time and effort compared to manual pumps. Specifications: Component : plastic Size: mixed Package Includes: 1 set fuels Transfer Pumps note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.