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Intruder Alarm

​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.

​Warwick (/ˈwɒrɪk/ WOR-ik) is a market town and county town of Warwickshire, England. It lies near the River Avon, 11 miles (18 km) south of Coventry and west of Leamington Spa and Whitnash. Its population was 31,345 in 2011. Signs of Neolithic activity precede unbroken habitation to the 6th century AD. It was a Saxon burh in the 9th century; Warwick Castle was built during the Norman conquest of England. Warwick School claims to be the country's oldest boys' school. The earldom of Warwick, created in 1088, controlled the town and built its walls, of which Eastgate and Westgate survive. The castle became a fortress, then a mansion. The Great Fire of Warwick in 1694 destroyed much of the town. Warwick missed industrialisation, but the population has grown almost sixfold since 1801.

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