Mar. 2, 2011, our GSM Group Wireless Moisture-Controlled Solar-Powered auto irrigation system take out Certificate of Utility Model Patent. The GSM main controller communicates with the field subsystem controller through GSM SMS communications, and get each zone's current status by GSM SMS, use moisture sensor to control auto irrigation, wireless communication, Solar powered charging system with low power consumption design, Easy to install, very suit for big agriculture and landscape.