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 when the current display is active, press 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 of measurement. The cumulative filling volume will be displayed in the selected unit. Press MENU 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 Compatible media: Methanol, fuel, chemical liquids, urea water Inlet: 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/L, gal/GAL, pint/PT, quart/QT Single measurement reset: RESET Package Contents: 1 x K24 Turbine Digital Fuel Flow Meter Only the items listed above are included; other accessories are not included. Note: Lighting effects and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1–3 cm.