burglar Alarm

One common approach to the construction of the electronic protection of the building against unauthorized entry (alarm) is to set up in all areas, with the window glass break sensors, and on all the doors and windows of moving door magnetic contact sensors to the opening. In terms of the individual cottages are extremely difficult to install sensors to meet aesthetic demands and pave the signal loops without breaking the finish. Even if you run cables under construction home, it is very labor-intensive process is a hidden installation of window sensors.
A large number of wire loops and hidden sensors reduces the reliability and maintainability of the system. In addition, in a country house, usually to protect the three levels: basement, ground and first floors. Otherwise, the system will not perform the tasks assigned to it. Therefore, in our opinion, this approach is most applicable in the construction of alarm systems for cottages and houses with inexpensive interior decoration, where the sensors and the wiring can be done by open method.

To protect the interior most widely passive infrared motion sensors and passive type duals + microwave. Duals have a much higher reliability and immunity to false alarms.