The rotary coupling is adopted, which is convenient and fast without connecting tools. This electronic water timer is only suitable for outdoor gardens and is used to control sprinklers and water systems. The electronic water timer will automatically water the garden and basket according to the program you choose. You can set a timer to water the garden in the morning or at night when the water evaporates least. When you are on vacation, it will continue to water. The sprinkler timer has a large, easy to read LCD screen. Water up to 8 times a day. Quickly select from 15 different date combinations to control which days of the week the timer runs. The hose timer with plastic cover is completely waterproof and can be used outdoors. Please ensure that it is tightly covered in rainy days. The water pressure of the single outlet ball valve water timer is 0-8 bar, and the impurity water and collected water can work together with the Yardeen ball valve water timer With any GHS (Garden Hose Standard) threaded garden hose faucets are compatible. Battery powered (2 AAA batteries required - not included)