1Suitable for use in factories, car yards, gas stations and household range Soods. It is widely used in the fuel management of highway construction, industrial enterprises, government agencies and organizations. 24 unit options, liter (L) / gallon (Gal) / pint (Pt) / quart (Qt), used in different countries. The fueling gun has a unit automatic locking function and works with the fuel pump, which is highly efficient. 3Easy to clean, install and maintain. Maximum measurement scale 9999.9, when it reaches this scale, it will start from zero again. 4Flow meter adopts high?pressure casting process to reduce the generation of bubbles and static electricity. 5Electronic metering and precise flow control capabilities can ensure that customers accurately control the flow. Humanized design, professional quality, simple operation and durable.