Function: 1. Visual pressure adjustment, protection control system, guarantee the atomizing effect. 2. The pressure can be adjusted by turning the wheel to set the best working pressure. 3. The easy-to-use size and material of the wheel handle allow for a secure grip and easy adjustment. 4. The water inlet has G3/4in internal threads and the water outlet has G3/4in external threads, which can be directly connected to the threaded faucet and avoid installation trouble. 5. It can be used in conjunction with a water timer to control the watering schedule for plants. 6. The reducing valve has high accuracy and quick response. Helps protect tools with a much longer life. Specification: Item Type: Water Pressure Valve Material: POM Color: as shown in the picture Size: Approx. 8.5 x 5 cm / 3.3 x 2.0 inches Gauge Diameter: 4.7cm/1.9in Weight: Approx. 158g/5.6oz Water inlet on internal thread G3/4in, water outlet on external thread G3/4in Measurable water pressure: up to 1mpa (140psi / 10bar) Package List: 1 x water pressure valve 1 x User Manual