Electric Transfer Pump with Auto Stop Sensor, Fuel Pump 3.2 GPM (12 L/min) with 4 Sizes Tank Adapter, 1.3 m Hose - ShopVlot

2 power supply modes: This electric transfer pump offers two flexible power supply options: connection via USB-C cable or powered by 4 AA batteries (batteries not included). In emergency situations, 2 AA batteries are enough (but the flow rate drops due to the reduced power). Note: The USB Type-C power adapter is preferable. If you use disposable batteries, you should change them approximately every 18.9 liters Package contents: (barrels and batteries not included) 1 x fuel pump, 1 x 1.3 m hose,