Control of irrigation valvesWith GARDENA Control Units it is possible to control GARDENA Irrigation Valves 9 V (item no. 1251-20) so that these then manage the watering according to the set programs. The GARDENA Control Unit is programmed via the GARDENA Programming Unit (item no. 1241-20), which transfers data at the touch of a button as soon as the valve is connected. Uses a 9 V alkaline battery (not included). This is sufficient for safe operation for about one year. If needed, it is possible to connect a GARDENA Rain or Soil Moisture Sensor for water-saving operation.FeaturesAutomatic and time-saving irrigation: With the GARDENA Control Unit in combination with the GARDENA Programming Unit and 9 V irrigation valves, you will have a garden that is watered regularly and reliably - even when you are not at home. You will have more free time and get a green and lush garden with beautiful and healthy plants.Wireless control: This solution is especially practical in situations where you