Technical performance four independent programs (A, B, C, D), each program can be set to operate independently or simultaneously with other programs running. Each program has a start time of day 8; 365 days calendar, the date could be set by the odd or even number of days of irrigation; irrigation cycle can be set for one day, two days until 31 days, or by irrigation within a week to set any day of the week; can Set within one month any day off; the maximum duration of each watering station for 12 hours. Within two hours in steps of one minute, more than 2 hours in steps 10 minutes; start of each station can be set to the time interval; for each program can be set to the ratio of 0-300% Irrigation (differential 10%), without changing the program settings can be adjusted Irrigation duration, easy to adjust at any time according to the season and climate; pin fine crown Technology Co., Ltd., Zhengzhou, engaged in gardening, landscaping sprinkler nozzle fountain, artificial fog landscape design, construction, and landscape irrigation equipment, environmental equipment.