Usage Tips:1.HELPS CONSERVE WATER-The smart water meter for garden hose measures the water usage and flow rate, helps you to use water accurately and save money. You can use our garden digital water meter to measure how many gallons of water needed to and fill an RV tank or a small swimming pool. 2.SENSITIVE & ACCURATE-The smart water flow meter has a built-in Hall sensor, which is sensitive and , accurate to 1/10th gallon, Measurement Tolerance Less than 5%, Max Totalizer: 9,999.9 GAL. Tips: Please let the water flow fully through the digital flowmeter to more accurate.This garden hose water meter is very useful for your beloved garden.Also worked perfectly to measure the capacities of water, grey and black water tanks on your RV. 3.4 MEASUREMENT MODES-The hose water meter for RV monitors not only the current singular watering volume and accumulative total water consumption, but also the daily average water consumption for the last and the real-time water flow rate, allowing you to know the water flow in time, avoid guesswork, and prevent over-watering. 4.SIMPLE&FAST CONNECTION-The smart flow meter comes with hose quick connectors, can be easily connected to any stantard 3/4inch garden hose, faucet, sprinkler and nozzle. Please note that follow the water flow direction to install the hose water meter.USER FRIENDLY-The LCD screen of this garden water meter is easy to read, displays water usgage in gallons or liters. Just one button to set and reset to zero. And after 1 minute of inactivity, it will not display in standby to extend battery life. 5.RV Water Meter NOTE-The hose end water flow meter has been pre-assembled in the correct order, please don' disassemble all the fittings of water hose flow meter. And before use, please tighten and lock the hose quick connector firmly to prevent the connector from leaking. low Mode - Real-time Water Flow Rate Consumption Mode-Water Consumption Of Current Watering Mode-daily Average Water Consumption For The Last Total Mode-total Water Consumption Press the button briefly to switch to display mode Hold the button pressed in FLOW MODE for 2 se c to switch GAL or L. Hold the button pressed for 2 sec to reset to zero. Automatic standby without display after 1 minute of no operation. Waterproof: IPX6 Water Flow Rate: 1~ 40 L/ min (0.3~ 10.6 GPM) Consumption: 9, 999.9 L or 9,999.9 Gal Working Pressure: 0.5 bar~ 8 bar(7.25~116PSI) Flow Max: 2400 L/H(10.6GPM) Measurement Tolerance: + 5% The actual product may have slight color difference or difference, which will not affect the use Colour:Photo Color Material:plastic Package Contents: 1x Water Flow Meter Only 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.