The 01A31GM meter is compact and light at just 12 ounces. The 01A meter is easy to handle and easy to use. You can mount this meter right at the nozzle for a quick read of the large 4-digit LCD Display. Use with gasoline (alcohol blends E15), diesel fuel (biodiesel blends B20) and kerosene.Note: User cannot configurate electronics, only good up until E15.2 YEAR WARRANTY