ZZF-01 (Silver Fox I ) Vertical Take-off and Landing UAV System is a kind of system mainly used for environment monitoring, electricity power/oil pipeline patrol, railway patrol, surveying and mapping, border patrol etc. The UAV has feature of long endurance, high reliability, independent vertical take-off &landing, long control distance, convenient maintenance. Meanwhile, it can be equipped with stable EO platform, and has ability to transmit high definition image.