Planned testing of tsunami sirens along Christchurch's coast did not happen because the Auckland-based person responsible was ...

Some sirens are dual-tone, meaning the sound will be more noticeable and will carry further. You should also consider the sensitivity of the movement sensor: the part of the alarm that detects ...

The rugged ES-1 is the new wide area electronic siren designed to provide electronic warning over large distances with the advantage of battery back-up. With a wide choice of signals, it is ...

Cover your head and neck with your arms or a piece of clothing, the Dallas Office of Emergency Management said in a release. If you are in a mobile home or vehicle when a siren sounds, you should ...