Light weight, compact, easy to install.<br> Copper impeller shaft, wearable liner.<br> No leakage of the sealing ring of the upper and lower power structure<br> Copper impeller shaft, wearable liner.<br> Interface size:6 points (G3/4)<br> Working voltage range:DC5-18V<br> Inner diameter/outer diameter:18.1/25.5mm<br> Thread length:13.75mm<br> Water pressure resistance:less than equal 1.75MPa<br> Output pulse high level: DC 4.7V (input voltage DC5V)<br> Output pulse duty cycle:50%+/-10%<br> Insulation resistance: 100MQ<br> Flow range:(in 1-30L/MIN)+/-3%<br> Sealing:Close each hole and test with 1.7Mpa water pressure for 1 minute, No leakage or deformation<br> Flow pulse characteristics:(6.6*Q)Q=L/Min plus or minus 3%, that is, 396 pulses per liter of water<br> Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use<br> Type:-B6<br> Colour:Gold<br> Material:copper<br> Package Contents:<br> 1 * Flow Sensor<br> Only the above package content, other products are not included.<br> 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.