First installed in the 1950s, they were developed for Cold War air raid warnings, but in the 1970s, the sirens transitioned ...

A 120-decibel siren is a key feature in Swann’s new second generation ActiveResponse Personal Safety Alarm. Available for the ...

Ionia County's tornado sirens were accidentally activated during clean-up efforts after a pipe burst at the dispatch center.

Most manufacturers list the decibel power of their sirens, but we tested their relative loudness by setting off the alarms and leaving the house. We signed up for every professional monitoring ...

Security company Swann has just launched ActiveResponse – a personal alarm which gives Australians the opportunity to take ...

MILLIONS of Scots will see their mobile phones sound a loud siren alarm on Thursday evening to warn of imminent danger from Storm Eowyn, the ...

AN “ARMAGEDDON alert” will override millions of Brits’ phones nationwide and trigger a loud siren – here’s what to do if ...