Said to various security systems, not only the family security doors, or monitoring in the company, naturally, there is a big Factory for monitoring, the Factory is a Factory use CCTV is very common to see now, the last is to accompany the customer to Factory inspection you see inside the Factory Factory CCTV, also curious attracted me, later I will come back after checked the, just know the Factory CCTV, this is the Factory that one of the most commonly used, different factories may have different monitoring function is different, after watching the just know, now of the science and technology in monitoring system has embodied really very convenient, very practical.