Time and water-saving irrigation made simple with automatic， targeted amd optimal irrigation! The Water Computer is connected directly to the tap and reliably controls irrigation according to the selected duration and frequency. This means that you don't have to worry about watering either in everyday life or during your holiday. Four keys for four functions: watering duration (0 h 2 min - 1 h 0 min)， frequency (every 24 hours， every 2nd， 3rd or 7th day)， start time preselection and confirmation. 3 watering cycles per day. For taps with 26.5 mm (G 3/4) and 33.3 mm (G1) thread. Requires 9 V alkaline battery(not included) and 0.5 bar-12 bar pressure. With sensor connection. Art 1881. After-sales service provided.