Control panel with modular design, fully functional, simple structure, and convenient operation. Suitable for use in petroleum, chemical, pharmaceutical, transportation, and food industries for industrial and commercial applications.Setting units of measurement: In standby mode or during current display, press CAL + RESET button for 5 seconds to enter unit conversion settings. Press RESET button to cycle through LTR, GAL, PT, QT, LTR to select the desired unit of measurement. The cumulative filling volume will be displayed in the selected unit. Press MENU key for 3 seconds to exit unit conversion settings.Note: This product requires 2 AAA batteries for operation. Includes 2 AAA batteries; replaceable. Low battery indicator displays "LBat" when battery voltage drops between 2.2V and 2.4V, reminding the user to replace the batteries.Color: Material: Plastic Specifications: Model: K24 Media: Methanol, fuel, chemical liquid, urea water Inlet: 1 inch internal thread Measurement accuracy: 1% Repeatability: 0.5% Maximum working pressure: 5 BAR Operating voltage: 2.33.3 V Flow range: 1090 L/min Single count: 0.009999.9 Total cumulative count: 0.00999999.9 Units: L, GAL, PT, QT Single measurement reset: RESETPackage Contents: 1 x K24 Turbine Digital Fuel Flow Meter Only the above package content; other products are not included.Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement error allowance is +/- 13 cm.