GSM alarm system at the moment is very nopulyarnaya and quality. Her work is very simple: in the case of penetration of the thieves or fire immediately call or send SMS to the mobile phone owner. And every day this alarm is increasingly gaining popularity. Installing it is quite simple and takes about 20 minutes, even without the help of the wizard. Her set polnosTew assembled and ready to use.
If you have any trouble, it informs, and you already decide themselves, whom you invoke - firefighters or police. Telephone line while it does not need, because this marking can be applied everywhere and without restrictions. Even when you are in another country, you have the ability to manage eof the system.
Wired alarm exist in the market for a long time. This is considered by far the most affordable protection. Installation of this system is not so simple and you yourself will not be able to install it. So take a high profile specialist.
The wireless system is mucheasier and does not require skilled work. Due to its simplicity, a lot of owners of houses are just a wireless system. The range is very large. It is composed of sensors, lock, key, dialer. It's all set up already to work and most do not need to finish. By installing this alarm, you get a high level of protection, range etc.Transferring sensors transmit information in an encrypted form (this is very important). Buying the alarm, always pay attention to its assembly. And use only proven shops and quality of the work product.