There is a build in clock. User can set up no irrigation time period for different plants, to avoid damage to the plants.

Has manual operating handle with priority. Even if the moisture sensor fails, the system will still keep working.

System out of factory is with an ID code. User also can self define system ID code code again. All extra accessories can been assigned and recorded to establish wireless communication channel with center controller very easily by user. Systems with different ID can work together at same place.