Tornado Alert Home System (27900)

  • NASA-validated technology
  • Battery backup
  • Loud warning alert
  • Bright strobe alert
  • Easy home install
  • Plug and protect


Tornado Alert Home System

World’s most accurate home severe weather alarm
Detects tornados, lighting and severe weather.

  • Warning you when a tornado is up to 30 miles away
  • Warning you up to 30 minutes sooner than existing systems
  • Warning you accurately 95% of the time vs 25% for existing systems

So you don’t think you’re at risk?

Tornadoes have been reported in every state in the US and also in every season. Extreme tornadoes can attain wind speeds of more than 300 miles per hour, stretch more than two miles across, and stay on the ground for dozens of miles. Damage paths can be in excess of 50 miles long. And yes, 3 out of every 4 tornadoes in the world occur in the U.S.

Since records began, over 18,000 Americans have died in the Tornado carnage. Look at the map for more facts.

Real Time Alerts – 95% Accuracy

Current technology can tell you that there’s a twister in the vicinity. However, rapid changes in the tornado’s position are not reported in real time. Moving at 60 mph, that tornado may now be 20 miles closer to you and your family – giving you less time to respond. Current warnings are only 25% accurate so many people ignore them. But now with tornadoAlert™ you can have a severe weather alarm in your own home that accurately identifies when a tornado is coming towards you.

In real time.
Accurate Round the Clock Protection
But unlike current warning devices, tornadoAlert™ is independent of radio, television, cellular or power transmission systems during severe weather. It detects storm activity right from your own home, and if there is a power outage it continues to protect you on battery backup for almost 24 hours.

Added protection for businesses, schools, churches, remote rural areas, traveling and camping


Power Supply 120VAC 60 Hz 6W 12VDC +-5% 200mA
Battery 9Volt (recommended) Industrial Grade 560mAh or moreLithium 750mAh or more
Expected Battery Life Industrial Grade – up to10 hoursLithium (750mAh) – up to 14 hoursLithium (1250mAh) – up to 21 hours
Status Indicator Backlit 12 character LCD
Alarms >90dB siren, Strobe, Multicolor LED
Ambient Operating Temperature Range 0 degree C to 38 degree C


Assembled Depth (in.) 3.125 in Product Depth (in.) 3.125
Assembled Height (in.) 4.25 in Product Height (in.) 4.25
Assembled Width (in.) 4.25 in Product Width (in.) 4.25

FCC Compliance

NOTE: This equipment has been tested and found to comply with the limit for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

Changes or modifications not expressly approved by the responsible party could void the user’s authority to operate the equipment.

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SKU: 27900

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