Do burglar alarms go off after a while?

Depending on the timeout settings, most modern house alarms will go off for an average of 20 minutes. However, lengths may vary for traditional systems. A homeowner, tenant, or keyholder's ability to stop an alarm is limited by the constraints of complex traditional settings that may require manual disabling.

 

More- foxmoorsecurity.co.uk/intruder-alarms/

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