Model: K24 Media: Methanol fuel, chemical liquid, urea water Connection: 1 inch internal thread Measurement accuracy: ±1% Repeatability: ±0.5% Maximum working pressure: 5 BAR Operating voltage: 2.3-3.3V Single measurement range: 0.00-9999.9 Total cumulative count: 0.00-999999.9 Units: L/L, gal/GAL, pint/PT, quart/QT Unit Setting: In standby mode or during current display, press and hold CAL + RESET for 5 seconds to enter unit conversion settings. Press RESET to cycle through LTR → GAL → PT → QT → LTR to select desired unit. After selection, press MENU for 3 seconds to exit unit settings. Note: 1. This product requires 2 AAA batteries (batteries not included). 2. Low battery indicator: When battery voltage drops to 2.2V-2.4V, "LBat" will display to remind user to replace batteries. Flow range: 0.1-7 L/Min Color: Blue & Black Material: Stainless steel Package Contents: 1 x Flow Meter Note: Light reflection and different displays may cause slight color variation between item and image. Measurement error allowance: ±1-3 cm.