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JDS Earthquake Alarm
The Quake Alarm is designed to provide instant warning of seismic activity by detecting the P wave (compression wave) of an earthquake, which travels faster than the more destructive S wave (shear wave). The Quake Alarm saves valuable seconds by removing the guesswork in earthquake detection. It is capable of detecting large earthquakes that occur hundreds of miles away and can detect moderate to minor earthquakes for many miles around your local area. One very important advantage of the Quake Alarm is that it can wake you up and alert you the moment the quake starts so that you can immediately take cover or tend to other family members. The human mind relies upon the sensations from the inner ear combined with the sense of sight to determine the sensation of motion the body is undergoing at the time that an

Price is $48.00
Price: $48.39