Hozelock Daylight Sensor Watering Controller The ultimate low-maintenance way to water your garden, this hose attachment is a timer with daylight sensor which automatically adjusts the watering schedule according to the sunrise and sunset. It will water once or twice a day for a duration ranging from two minutes to one hour. Alternatively, for manual watering, you can select the ‘water now' function for a full hour of continuous watering. It's pre-programmed and easy to set up, so you can just connect and go. Sensor automatically adjusts watering schedule Pre-programmed with daylight hours ‘Water now' function for 60 minutes Requires 2 x AA batteries (available separately)