Innovative Products of America's Digital Flow Meter Nozzle, No. 9048, can transfer common fuels, while monitoring volume in real-time. Safe to use on gasoline, diesel and kerosene, the High-Flow Digital Meter Nozzle provides an accurate method for transferring common fuels by integrating a high-quality, accurate digital flow meter into a low-profile, fuel nozzle. This product combines the meter and nozzle, which are typically purchased separately and assembled in the field by the end-user into one convenient safe product. Two AA batteries come with the tool.