Attach the Gardena 1890-20 Water Control Flex to your garden irrigation system and make your life easier.The operation is a cinch using a digital display with 2 buttons. Schedule how long and how often you want your plants watered and the Water Flex Control will do the job for you. It's also ideal for terrace or balcony plants, where you need very short watering cycles. The Control Flex can be scheduled from 1 second to 99 minutes.It's compatible with irrigation systems, and you can also connect it to Gardena Soil Moisture Sensors, so if it rains a lot you can save water.