Features: (a) Long distance: Max 1 km each zone, realizing the overall prevention of large range and long distance. (b) Self-adaption:Running continuously for 8 hours. © Passive design: Optical fiber is adopted as the passive detector.  No need power supply for the detecting zone except the alarm panel. (d) Installation methods: Buried, hanging net, buried wall. (e) Anti-interference: User no need consider the influence of electromagnetic field, used in Oil depot,Power station,Military etc. (f) Communication mode: Dry Contact relay (NC/NO) or TCP/IP. (g) Industrial quality: Vibration Fiber Optic Fence adopts industrial quality collector. (h) Modular design: Modular designed, convenient for maintenance and repairing. (I) Rack structure: 4 zone (8 zone) vibration fiber optic fence alarm system adopts rack integrated design, which is convenient for operator to management. (j) Anti-false alarm: The system integrates the identification and detection function of the third generation of environmental data, which can automatically adapt to the changes of the environment, greatly reducing the false alarm caused by high wind.