● Four spray channels can be connected at the same time to achieve partition management (equivalent to 4 times the water pressure flow). ● The sprinkler time of each channel can be set according to the demand, and the demand for multi area irrigation can be realized without the need of pump. ● Interval Time: the cycle interval can be set for 1-72 hours. ● Delay Function: special delay function, the longest time delay is 9 hours. ● Water Time: water time can be set 1 minutes each time, the longest