Light weight, compact, easy to install.Copper impeller shaft, wearable liner.No leakage of the sealing ring of the upper and lower power structureCopper impeller shaft, wearable liner.Interface size:6 points (G3/4)Working voltage range:DC5-18VInner diameter/outer diameter:18.1/25.5mmThread length:13.75mmWater pressure resistance:less than equal 1.75MPaOutput pulse high level: DC 4.7V (input voltage DC5V)Output pulse duty cycle:50%+/-10%Insulation resistance: 100MQFlow range:(in 1-30L/MIN)+/-3%Sealing:Close each hole and test with 1.7Mpa water pressure for 1 minute, No leakage or deformationFlow pulse characteristics:(6.6*Q)Q=L/Min plus or minus 3%, that is, 396 pulses per liter of waterTips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect UseType:-B6Colour:GoldMaterial:copperPackage Contents:1 * Flow SensorOnly 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.