A basic intruder alarm system consists of a control panel, with rechargeable battery power backup and internal or external keypads, several interior and perimeter intrusion detectors, and one external sounder. at least. An intruder alarm system can be classified as an hardwired. wireless. or an hybrid system.

An intrusion alarm system is a system whose aim is to monitor and detect unauthorized access to a building. These systems are used for different purposes and in different contexts both residential or commercial.