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 and hold the CAL + RESET button for 5 seconds to enter unit conversion settings. Press the RESET button to cycle through available units: LTR, GAL, PT, QT, LTR. The cumulative filling volume will be displayed in the selected unit. Press and hold the MENU key for 3 seconds to exit the unit conversion settings.Note: This product requires 2 AAA batteries (included), providing convenient operation. When battery voltage drops to between 2.2V and 2.4V, the display shows "LBat" to indicate low battery and prompt replacement.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: 2.33.3 V Flow range: 1090 L/min Single count range: 0.009999.9 Total cumulative count range: 0.00999999.9 Units available: L, GAL, PT, QT Single measurement reset: RESET buttonPackage Contents: 1 x K24 Turbine Digital Fuel Flow Meter Note: Lighting effects and display differences may cause slight variations between the item color shown in the image and the actual product. Measurement error allowance is +/- 13 cm.