* Control  barriers are becoming increasingly common because their use is constantly growing . The main reason is that bars are  practicality, economic and ease of use. They are often used in outdoor and indoor areas in highly frequented areas which ensure a controlled entrance and exit  .
* The great advantage is a fast handling and a high durability during the continuous use. They are usable at any temperature and are simply to use at all kind of weather . Most operational areas are parking lots, motorways, airports, stations, etc ...

The barrier length is from 2 to 12m. They have an electric motor with reduction gears, which together with limit switches, switchgear etc. are protected in a dry metal box that is not influenced by weather conditions.
* The partial blocks of aluminum, rectangular or round cross section, according to the length of the passage, hinged or foldable .
* If necessary, a protective column can be attached to the end of the barrier. To be even more striking when they are closed, trailer parts or road signs can be attached.
* The barriers can be manually controlled with buttons as well as automatically with light cells and magnetic field signals or a combination of hand towels and magnetic cards.
* They offer very great safety during operation. In the event of a blackout  the barriers are easy to operate, thanks to the specially designed suspension system.

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