home security. Thursday , July 19th , 2018 - 14:20:43 PM
DOOR AND WINDOW CONTACTS: These are a common part of most modern alarm systems. The purpose of it is to determine whether a door or window is currently left open unintentionally. The device will send a signal to the alarm system in such an event and it will set off making the house owner or the monitoring team aware of the situation.
It turned out, however, from the researchers' findings, that the answer to that important question is YES, it is, and in a Huge Way...
How do personal safety devices such as panic and medical pendants work?
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