Using the device, you may set the garden watering time according to your preferences and plants' needs. Simply set the number of times and which time of the day you wish for your plants to be watered, and for how long each time. (Duration may be set from 2 mins to up to 60 mins) 
Day light sensor adjusts your watering schedule accordingly to begin watering at sunrise and sunset - convenient and you do not need to worry about forgetting to water your plants anymore!
Operates on 2x AA batteries