High Efficiency：Pump 2.4 gallons of liquid per minute, suitable for any scenario. outperforms most rivals. Include three adapters, connection adapters, compatible with different sizes of oil drums. Auto- Stop Sensor：Our pump is designed to prevent any fuel loss by automatically stopping flow, with built-in locking clips to secure the nozzle to the receiving socket to prevent overflow. Scope of Application：1.3-inch diameter suction tube fits most fuel containers, It is made of high-quality materials, non-toxic, tasteless, easy to use, corrosion-resistant and durable. Battery Converter：Equipped with battery conversion device, you can choose to use 2 D batteries or 6 AA batteries (Batteries are not included). Extension Hose：The straw has a length of 19.3 inches and is widely used for conveying gases, light oil, kerosene, diesel, etc. Suitable for 3 to 5 gallon gas tanks, Jerry tanks, drums, etc. (Corrosive liquids cannot be transported)