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 and hold CAL + RESET for 5 seconds to enter unit conversion settings. Press RESET to cycle through LTR → GAL → PT → QT → LTR to select the desired unit. The cumulative filling volume will be displayed in the selected unit. Press and hold MENU for 3 seconds to exit unit conversion settings. Note: This product requires 2 AAA batteries (included). A low battery indicator (LBat) appears when battery voltage drops between 2.2V and 2.4V, alerting the user to replace the batteries. Color: Blue & White Material: Plastic Model: K24 Compatible Media: Methanol, fuel, chemical liquids, urea water Inlet Connection: 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 Range: 0.00–9999.9 Total Cumulative Count Range: 0.00–999999.9 Measurement Units: L, GAL, PT, QT Reset Function: RESET button clears single measurement Package Contents: 1 x K24 Turbine Digital Fuel Flow Meter Note: Lighting reflections and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement tolerances may vary by ±1–3 cm.