November 16th, 2011 | 
Author: Article by Chris Hopkins
Home security alarms are devises designed to detect unlawful entry into your premises. There are many kinds of home security alarms , but broadly they can be categorized into two types, bell only alarms and monitored alarms.
Bell only alarms produce a high pitch siren when your home security has been breached. The purpose of this alarm is two fold. Firstly the loud siren is designed to act as a significant deterrent to the continuation of the criminal activity by informing the intruder that their breach of your home security has been detected. Usually the alarm is pitched to a high frequency making it uncomfortable for the intruder to remain on your premises.
Secondly, the purpose of the bell alarm is to inform anyone in the vicinity of the residence, including occupants and neighbors that the home security has been breached. While this is a good feature if you are home or have someone nearby who can respond to the security alert it is not so useful if you are away from your home.
In contrast, monitored alarms are alarms, which refer the home security breach to an off site, third party observer, usually an alarm monitoring company. There are two types of monitored alarms, bell alarms, which produce audible, high-pitched tones, and silent alarms, which are not heard by the intruder.
While the benefits of an audible bell alarm outlined above are obvious the advantages of a silent home security alarm are not. The purpose of the silent alarm is to fool the perpetrator of your home security breach into believing that they have not been detected, allowing the security company or local police authority to attend the scene and hopefully catch the criminal red handed.
Regardless of the type, both audible and silent, monitored home security alarms function in the same way. With monitored home security alarm systems, when your home security is breached an instant alarm activation is passed to a central monitoring station through your phone line alerting the security company of the problem. The security monitoring company will then dispatch a security guard to attend your premises to investigate the cause of the alarm.
For more information about home security, home security alarm systems and a host of great tips to improve your home security visit http://www.alarmsoz.com.au
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