Model: K24 Media: Methanol, Fuel, Chemical Liquid, Urea Water Inlet: 1 inch internal thread Measurement Accuracy: 1% Repeatability: 0.5% Maximum Working Pressure: 5 BAR Operating Voltage: 2.3-3.3V Single Count: 0.00-9999.9 Total Cumulative Count: 0.00-999999.9 Units: L/L, gal/GAL, pint, quart Single Measurement Clear: RESET Unit Setting: In standby mode, or during current display state, press CAL + RESET button for 5 seconds to enter unit conversion settings. Press RESET button to select measurement unit: LTR, GAL, PT, QT, then LTR. The cumulative filling volume will be displayed in the selected unit. Press MENU key for 3 seconds to exit unit conversion settings. Note: 1. This product requires 2 AAA batteries (batteries not included). 2. Low Battery Indicator: When battery voltage is between 2.2V and 2.4V, "LBat" will be displayed to remind the user to replace the battery. Flow Range: 0.1-7 L/Min Color: Blue & Black Material: PPS + Stainless Steel Package Contents: 1 x Flow Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement allowance error is +/- 1-3 cm.