Easy Installation: Designed for easy installation seamless integration, this advanced digital water flow meter enhances your water purification system Maintains Water Purifier Efficiency: It helps track usage time signals when it's time to change the filter, thanks to its programmable flow alarm, which reminds you with an audible prompt, making maintenance proactive simple Smart Powe Saving: Equipped with a smart power saving feature, this water flow meter automatically shuts off when not in use to save energy Accurate Measurement: Capable of measuring a wide range of flow rates from 0 8 to 8 0 liters per minute (LPM) 0 2 to 2 1 gallons per minute (GPM), this device offers precision versatility in monitoring water usage Water Flow Meter Is Compact : Its rugged design ensures long-lasting reliability performance, improving the overall efficiency of your water filtration system Joint Pipe Bore Size:1/4inchCoupling Type:joinMeasurement Range:0-99999 Liters/GallonsModel Number:Flow Monitor:PlumbingAccuracy:10%Battery:2 x 1 5V Batteries(not included)Colour:WhiteMaterial:ABSSize:9x6 6x6 3cmPackage Contents:1 x Flow detector1 x English instruction manualOnly the above package content, other products are not included Note: Light reflection 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