Features: Size: approx 10.5x6x5cm/4.1x2.4x2inches. With high reliability, and accurate measurement accuracy. Lightweight and compact size offers convenient operation and updated- installation. 1 inch flow meter can read instantaneous flow rate, single cumulative flow and total cumulative flows. Can be widely used to measure water, for diesel, kerosene, gasoline, etc. Package Includes: 1x for Turbine Flow Meter Specifications: Material: Metal Size: approx 10.5x6x5cm/4.1x2.4x2in Thread: 1-inch Power supply: button battery( Included) note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.