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 (included), which are replaceable. Low battery indicator displays "LBat" when battery voltage drops between 2.2V and 2.4V, alerting the user to replace the batteries. Color: Material: Plastic Model: K24 Media: Methanol, fuel, chemical liquid, 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 Units available: L, gal, pint, quart Single measurement reset: RESET 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 of the item shown in pictures compared to the actual product. Measurement error allowed is +/- 1–3 cm.