ITEM NO.: JK0089‧Solar Powered Battery included, and which will work at least 10 years.‧Li-ion Battery included, and which will work at least 3 years.‧Solenoid Valve inside. ‧2 start time programs.‧Independent Control Panel, easy for setting and cleaning.‧Large LCD Screen, easy for reading.‧Working Water pressure from 1 bar to 8 bar. Max water pressure: 10 bar.‧1" and 3/4" inlet with filter washer.‧IPx5 and CE certification.‧Patented.