Visualized pressure adjustment, protection control system, guarantees the spraying effect. The pressure can be adjusted by rotating the wheel to set the best working pressure. Easy to use The size and material of the wheel handle ensure a firm grip and easy adjustment. The water inlet has a G3/4 inch female thread and the outlet faucet has a G3/4 inch male thread, which can be directly connected to the threaded faucet and avoid installation problems. Can be used in conjunction with an irrigation timer to control the plants' watering schedule.