Just sit back and watch it work! Pumps 3 gallons per minute. Flexible intake hose fits fuel cans up to 5 gallons. 3.25 discharge hose easily transfers to your receptacle. Auto-stop feature automatically stops when the transfer process is complete. Includes 3 fuel can adapters to fit most North American fuel cans. Uses four AA batteries (sold separately). | Tera Pump Battery-Operated Fuel Transfer Pump