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.
Cirencester (/ˈsaɪrənsɛstər/ ⓘ, occasionally /ˈsɪstər/ ⓘ; see below for more variations) is a market town in Gloucestershire, England, 80 miles (130 km) west of London. Cirencester lies on the River Churn, a tributary of the River Thames. It is the eighth largest settlement in Gloucestershire and the largest town within the Cotswolds. It is the home of the Royal Agricultural University, the oldest agricultural college in the English-speaking world, founded in 1840. The town had a population of 20,229 in 2021.
The Roman name for the town was Corinium, which is thought to have been associated with the ancient British tribe of the Dobunni, having the same root word as the River Churn. The earliest known reference to the town was by Ptolemy in AD 150. The town's Corinium Museum has an extensive Roman collection.
Cirencester is twinned with the town of Itzehoe, in the Steinburg region of Germany.