Features: Easy to Use: With a modular design and zero- adjustment function, this flow meter is convenient to operate, read, and adjust. Versatile Usage: Suitable for wide range- of applications, this flow meter is perfect for industrial use, automotive- repair, and home DIY projects. Durable Design: Made- of stainless steel or aluminum alloy materials, this flow meter is built- to last with a stable circuit and long life-. Reliable Performance: This flow meter has a measurement accuracy of ±1%, making it a reliable choice for all your liquid measurement needs-. Accurate Measurement: This high-precision electronic turbine- flow meter with LCD display accurately measures the flow rate of diesel-, fuel oil, kerosene methanol, water and other liquids. Specifications: Material: Stainless Steel/Aluminum Flows Range: As Shown Accuracy: ±1% MaximumWorking Pressure: 0.6Mpa Battery: 2xAAA Batteries(NOT Included) Size: As Shown Type: 1inch: minimum flows 10L/min, maximumflows 100L/min 2inch: minimum flows 60L/min, maximumflows 500L/min 2.5inch: Minimum flows 80L/min, maximumflows 800L/min 3inch: minimum flows 80L/min, maximumflows 1000L/min Package Includes: 1x Flow Sensor Meter note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.