no cable connection is necessary between the control unit programmed in the app and the irrigation valve, the use of a 9V alkaline battery (not included), which provides a runtime of about one year, makes operation uncomplicated and flexible, up to 6 automated schedules can be programmed via the GARDENA Bluetooth® App, here you can set the start, duration and the days of the week for watering, in addition, watering can be started and stopped at any time at the touch of a button, the separately available Soil Moisture Sensor can be connected to save water when the soil should still be moist enough and further watering is not necessary, the free GARDENA Bluetooth® App for iOS and Android turns the smartphone or tablet into a remote control with which the control unit of the valve can be conveniently and easily operated within a radius of 10 meters (requires min. iOS 12.X, Android 5.0, Bluetooth® Low Energy 4.0)