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 select from LTR, GAL, PT, QT, or LTR as 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), offering convenient battery replacement. 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 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 Available units: L, gal, pt, qt Single measurement reset: RESET button Package Contents: 1 x K24 Turbine Digital Fuel Flow Meter (Batteries included) Note: Lighting effects and monitor settings may cause slight color variations between the product image and actual item. Measurement error tolerance is +/- 1–3 cm.