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Security 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.
Oxford (/ˈɒksfərd/)[4][5] is a city in England. It is the county town and only city of Oxfordshire. In 2017, its population was estimated at 152,450.[1] It is 56 miles (90 km) northwest of London, 64 miles (103 km) southeast of Birmingham, and 61 miles (98 km) northeast of Bristol. The city is home to the University of Oxford, the oldest university in the English-speaking world,[6] and has buildings in every style of English architecture from late Anglo-Saxon. Oxford's industries include motor manufacturing, education, publishing, information technology and science.
