How to choose cctv system

    If we want to buy cctvsystem, you know do you know how to choose cctv system? now, more and more enterprises and individuals to install surveillance systems, convenient for later,so we need to know how to choose cctv system.

    When you get to surveillance system stores or suppliers, you find that the price of each the same, many system specifications. we would be very confused don't know how to choose cctv system? Here are a few important factors, you can reference if you are still worry about how to choose cctv system?

    First of all, in the shape of a difference, divided into hemisphere type system, and gun type system. Hemisphere type named on the appearance, the advantages of small size, good appearance, suitable for installation code in the interior, office, hotel hallways, elevators, the place such as corridor, good concealment. The focal length of the hemisphere type, suitable for close to place the object.Gun system is suitable for installation in all places, and no specific hemisphere type, the difference. other special systems (such as flying butterfly, smoke type, pinhole, smoke type) is suitable for indoor places with special requirements. system focal length, the choice of the Angle, focal length 3.6 mm, 4 mm, 6 mm, 8 mm, 12 mm, usually the focal length is smaller, the more scope, illuminate the smaller the distance, the more the focal length, the smaller the angle of view scope, illuminate the farther the distance, we can according to the exposure area, select the appropriate focus system. have an excuse to choose. systems are generally BNC connector market now, only recently popular with network interfaces, RJ45 interface, through the network transmission, belong to the high-definition systems, but the price is higher, these we ought to know how to choose cctv system?

    If there is problem of how to choose cctv system, you could  go to for more information.