Features: [Excellent Quality] This fuel flow meter is made of premium material, durable and easy to use. [Good Performance] The K24 turbine digital diesel fuel flow meter has a modular design, fully functional, simple structure, and high stability, convenient to operate. It can be used to measure methanol, diesel, fuel, and urea water. [LCD Display] The digital diesel fuel flow meter comes with an LCD display which is convenient for clear reading. It is fully functional, easy to operate, and has a simple structure. [High Accuracy] The measuring accuracy of this flow meter is 1%, suitable for most applications. [Application] Widely used in petroleum, industry, medicine, transportation, food industry, and commercial fields. Specifications: Model: K24 Media: Methanol, fuel, chemical liquid, urea water Inlets: 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: 0.00–9999.9 Total cumulative number: 0.00–999999.9 Unit: L/L, gal/GAL, pint, quart Single measurement cleared: RESET 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 LTR, GAL, PT, QT, LTR to select the desired unit. After conversion, press the MENU key for 3 seconds to exit the unit setting mode. Note: This product requires 2 AAA batteries for operation. Low battery indication appears when voltage drops to 2.2–2.4 V, displaying "LBat" to remind the user to replace the batteries. Color: Black & Blue Material: Plastic Package Contents: 1 x Turbine Fuel Flow Meter (Only the above package content; other products are not included.) Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by ±1–3 cm.