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How to choose a burglar alarming system?

blue-light / 2011-02-22
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When choosing a burglar alarming system system, you should attach most importance to the practicality of it.


Many factors should be included in the consideration of choosing to buy a family burglar alarm, such as the home area, structural characteristics, value of property, and environment. However, there are several common reference rules:


The wired transmission system has the advantages of reliability in communication, strong anti-interference and low cost, which applies to the new buildings which can reserve connecting lines within the walls; However, its mobility is poor, which is inconvenient to adapt to the ever-changing requests of the users and products, and the difficulty and cost is very high for the maintenance and replacement of the reserved connecting lines; The wireless transmission system can avoid the influence on the indoor decoration caused by the connecting lines between the detector and main panel, which is advantageous in flexibility and simplicity, but it is also disadvantageous in weak anti-interference that is influenced by a variety of factors in the outside and high cost of devices.


The measures of preventing the thieves' coming from the door are mature. That is to use a magnetic switching tube/magnet to detect the opening of a door. But it should be noticed that there are two different ways for triggering the alarm: the immediate alarm and the delayed alarm. The former can have an immediate alarm on the scene to act as a deterrent to the invaders immediately, but if the user has not released the alarm before opening the door, it will send a false alarm to disturb the user as well as the neighborhood. The latter delayed alarm can After a delay triggered alarm in the way when the door opened will be issued tone. forget Chefang prompt users in a timely Chefang operation, if within a certain period of time mainframe Chefang not received signal Host further alarm. Obviously, the latter method is more practical.


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