This electric fuel pump supplies fuel to the car through the piston and has a stronger suction to ensure the fuel supply to the car. Input voltage: 12V. Output pressure: (4-7 psi). Movement material: brass (does not contain aluminum). Light weight, easy to install and connect (380 bronze wire/ring), portable, allows you to take it anywhere easily. Compatible with 12 volt electronic devices such as cars, trucks, boats and generators. Please note that this universal fuel pump is only suitable for gasoline, petrol, diesel (non-alcohol) engines.