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. Unit setting: In standby mode or during current display, press and hold the CAL + RESET button for 5 seconds to enter unit conversion settings. Press the RESET button to select measurement units: LTR, GAL, PT, QT. After selecting the desired unit, press the MENU key for 3 seconds to exit the unit conversion settings. This product requires 2 AAA batteries (included) for convenient operation. A replaceable battery is provided. When battery voltage drops to 2.2V–2.4V, the display shows "LBat" to indicate low battery and prompt replacement. Color: Blue & White Material: Plastic Model: K24 Compatible media: Methanol, fuel, chemical liquids, urea water Inlet thread: 1 inch internal thread Measurement accuracy: 1% Repeatability: 0.5% Maximum working pressure: 5 BAR Operating voltage: 2.3–3.3 V Flow range: 10–90 L/min Single count: 0.00–9999.9 Total cumulative count: 0.00–999999.9 Units available: L, GAL, Pint, Quart Single measurement reset: RESET button Package Contents: 1 x K24 Turbine Digital Fuel Flow Meter Note: Light reflection and differences in display screens may cause slight variations in the color shown in images compared to the actual product. Measurement may vary by +/- 1-3 cm due to manual measurement.