Energy facilities, especially oil, gas and power facilities, are often important strategic resources for a country. In Sichuan, my country, a drone crashed into a power grid and caused a large-scale power outage. The phenomenon of "illegal" and "random" drone flights will seriously affect civil aviation flight safety, public life safety, and national defense security. The Watcher ONE series of products can be used to protect these facilities from potential threats from drones. It can identify, warn, and drive away unauthorized drones to prevent malicious drones from conducting reconnaissance, sabotage, or attacks on energy facilities.