Portable electric transfer pump, equipped with battery conversion device, you can choose to use 2 D batteries or 6 AA batteries (Batteries are not included). [Auto Stop and Leak Proof]: Up to 3.2 gallons of fuel per minute can be delivered using an auto-transfer fuel pump. Designed to prevent fuel loss, our gasoline tank pump has an auto-stop sensor built into the nozzle. When the liquid level reaches the nozzle position, the pump will auto-stop working to prevent any fuel loss. The nozzle is equipped with a locking clip, which is used to fix the nozzle on the receiving socket for relaxing hands.
