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Fortress Outdoor/Indoor Siren (315 MHz)
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Fortress Outdoor/Indoor Siren (315 MHz)

Be the first to review this product | 5 Answered questions

SKU: S02 Black Siren
  • No Contract
    or Monthly Charges
  • 3 Year
  • 30 Day
    Satisfaction Guarantee
  • Description
  • Specifications
  • Features

This loud siren (130db) can be mounted indoors or outdoors, and communicates wirelessly with the main panel, with a wireless range of 150 feet. When the alarm is triggered and the siren sounds, it will scare off any intruders as well as alerting you, the neighbors, and anyone else nearby.

The siren is weather resistant, so a little rain won’t hurt. Just make sure to avoid any pooling or standing water.

  • 315MHz wireless signal
  • ~150 ft. wireless range
  • 130 decibels
  • 130 decibels
  • 315MHz wireless frequency
  • ~150 ft. wireless range
  • Mounts indoors or outdoors (avoid areas where water collects)
  • Plugs into wall outlet for power (110-220V input)

In stock

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Fortress Outdoor/Indoor Siren (315 MHz) Description

Compatible with Total Security 315MHz, S02, and GSM.
Not Compatible with S1, S03, S6, Total Security 433 MHz, Total Security WiFi, Ani, Vea, or Standalone systems.
Featuring a 130dB alarm, this siren can be mounted either inside or outside your building and connect to the main panel wirelessly. As an additional siren, you can ensure that the alarm will sound everywhere (in addition to the internal siren). Particularly useful if you have a large house, or require an alarm outside that will alert neighbors in an alarm event, this is a loud and low cost siren compatible with the S02 and GSM systems. Comes with a 110v wall adapter. Purchase this accessory at the same time as an alarm package and we will program everything for you! 315 MHz wireless signal.

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ratings 4.7 Overall Satisfaction Rating Based on 374 Ratings from Actual Customers
review rating
Corey W

Hope it is a quality system

Verified Customer
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Daniel W

Product options well laid out. No sneaky fees on checkout page.

Verified Customer
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Ignatius M

So far so good

Verified Customer
review rating
Greg H

All good!!

Verified Customer
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Glenn S


Verified Customer
Fortress Outdoor/Indoor Siren (315 MHz)

Purchased with S1 System Why Won't this Work?


Hello Vernon, This siren is not compatible with the S1 system because it uses 315mhz. You will need the 433mhz Black Siren with the S1 system. Thanks, Jessica Fortress Security Store


I was looking under accessories for the S03 WiFi system. This siren is in the drop down menu, but it says it is not compatible with the S03 system. Is there a loud wireless siren that works with the S03?


Hello Bill, This siren will be compatible with the s03 system: https://www.fortresssecuritystore.com/fortress-black-siren-433.html Please let us know if you have any other questions! Thank you, Astrid


Will this work inside a cabinet?


Yes this siren can work inside a cabinet. You'll need to have a place where you can plug the cable into a power outlet.