An Intrusion/PIR alarm is a system designed to detect intrusion, such as unauthorized entry, into a building or other areas such as a home or school.
Security alarms used in
- Military properties
Protect against burglary (theft) or property damage, as well as personal protection against intruders. Security alerts in neighborhoods show a connection with the diminished robbery. Car alarms likewise help protect vehicles and their contents. Prisons also use security systems for the control of inmates.