A security alarm is a system designed to detect intrusions, such as unauthorized entry, into a building or other areas, such as a home or school. Security alarms protect against burglary (theft) or property damage, as well as against intruders. Examples include personal systems, neighborhood security alerts, car alarms, and prison alarms.
Some alarm systems serve a single purpose of burglary protection; combination systems provide fire and intrusion protection. Intrusion-alarm systems are combined with closed-circuit television surveillance (CCTV) systems to record intruders' activities and interface to access control systems for electrically locked doors. There are many types of security systems. Homeowners typically have small, self-contained noisemakers. These devices can also be complicated, multirole systems with computer monitoring and control. It may even include a two-way voice which allows communication between the panel and monitoring station.
The West Midlands is a metropolitan county and combined authority area in western-central England with a 2018 estimated population of 2,916,458, making it the second most populous county in England after Greater London. It came into existence as a metropolitan county in 1974 after the passage of the Local Government Act 1972, formed from parts of Staffordshire, Worcestershire and Warwickshire. The county itself is a NUTS 2 region within the wider NUTS 1 region of the same name. The county consists of seven metropolitan boroughs: the City of Birmingham, the City of Coventry and the City of Wolverhampton, as well as the boroughs of Dudley, Sandwell, Solihull and Walsall.