Luxury model with powerfull solar cell and solar rechargeable battery. Switches on and off automatically. Electronic data display. Programming can be tailered to individual requirements: Watering up to 6 times a day, watering duratoin up to 9 hours and 59 minutes. Watering days can be freely selected. The Water Computer can also be used to control the automatic Water Distributor (Art. No. 1198). GARDENA Rain Sensor electronic and Soil Moisture Sensor can be connected.