Feiyue develops long range day and night monitoring products for border surveillance, coastal defense surveillance, shipboard surveillance, etc.It has high-precision positioning, resistance to strong winds, and resistance to seawater corrosion. Lens focal length and focus position data Feedback; Optional long-distance telephoto lenses and day vision cameras, large diameter infrared thermal imaging, long range laser illuminators, laser rangefinders, etc. can be used with automatic tracking and automatic focus modules to achieve corresponding functions.