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A voice-activated radio-dispatched alarm, or VARDA-alarm, is a type of burglar alarm that, when activated or "tripped", broadcasts the type of the alarm and the transmitter location over the local police radio frequency using a pre-recorded audio message. [1] In 1968, the voice-activated radio dispatched alarm (VARDA), was invented.
PASS device (22, boxed in red) integrated into an SCBA unit. It is connected by a hose (18, green) to the air circuit and arms automatically when the air circuit is opened.
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 or property damage, as well as against intruders. Examples include personal systems, neighborhood security alerts, car alarms, and prison alarms.
A high security dual-barrel padlock. A quantitative measure of a padlock's tensile strength and resistance to forced and surreptitious entry can be determined with tests developed by organizations such as ASTM , Sold Secure (United Kingdom), CEN (Europe), and TNO (The Netherlands).
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#94 Forget About A Rude Awakening, Wake Up Naturally With The Wake Up Light Sunrise Alarm Clock Review: "Wow this clock can get bright! Lots of options for sound, lots of options for levels of ...
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