Real-time error coefficient calibration, easy to operate, provide five units of Liters, Gallons, Pints, Quarts, Kg, and support low battery warning. This oil gun nozzle can be used to measure the of pipeline fluid. Well designed gun nozzle is resistant to oil dropping or leaking, small size, accurate measurement, simple LCD displays single time filling amount, and will save total filling amount. Used for filling fluid such as gear oil, engine oil, antifreeze, it is a great oil filling equipment for factories, gas stations, etc., Weight: 4.32987882568 Pounds, Manufacturer: ViaGasaFamido