SB5501 Watering timer Technique data: Work pressure:0.1-1.2Mpa, Liquid:Clean water in quality, Highest water temperature: 400C, Water number of times: The sprinklers working schedule is programmable. Up to eight sets of watering schedule for starting to open valve, and can be establised the circulation from 3 hours to 30 days. Working time:1 minute-9 hours 59 minutes, Power: 3.6V Nickel Hydrogen Auto Rechargeable solar battery