ONE BUTTON CONTROL WATER FLOW METER W/RATE AS-122

One-button control for easy operation. Top with 3/4" female connector, and bottom with 3/4" male connector. LCD display to show 1, 2, auto, and rate.  Auto to show the single time water flow volume (back to Zero automatically). Rate to show the updated water flow rate.  1 and 2 for water volume accumulation, can keep the records for one day, one week, or one month. Lit/Gal unit changeable.