Ajax External StreetSiren

A wireless external siren that produces a warning call almost as loud as a live rock concert.

Ajax External StreetSiren

A wireless external siren that produces a warning call almost as loud as a live rock concert.



Up to five years of battery life before it needs replacing.

climate protection

Works effectively in any climate and can withstand snow, wind, rain and extreme heat.


Built with an LED frame and a piezoelectric buzzer that informs you visually about alarms, delays and door openings.





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A Siren that’s on your side.

The Ajax StreetSiren is a loud wireless siren that will keep your premises secure. It can be adjusted to sound at up to 113dB for 180 seconds, making the StreetSiren louder than a police siren and almost as loud as a live concert. Moreover, the flexible settings allow you to set the device to suit your home or business, with the option to remain completely silent and only display an LED if desired.
This device is tamper-proof, triggering an alarm in less than a second if damaged. The StreetSiren’s casing is hermetically sealed and has been given a rating of IP54 level of ingress protection, operating at temperatures of over 50°С.

The first line of defence for home and business

Call us to discuss your home security needs – 0121 386 2639

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Is Ajax a good alarm system?

Ajax alarm system is the most awarded wireless system in Europe. In 2022, their awards include:

  • Security System of the Year by IFSEC
  • Best innovate Product by MIPS Securika
  • Intruder Product of the Year by PSI Premier Awards
  • Silver medal at Expoprotection Awards.

All Ajax devices meet the EN 50131 and EN 14606 fire standards, as well as being awarded Grade 2 – the highest level of reliability for wireless security systems.

They’re not the cheapest alarm system on the market, but they’re sure the best at protecting you and your property.

How does Ajax alarm system work?

Ajax alarm systems uses a control hub that uses encrypted radio protocol to connect and monitor devices. Ajax can detect and prevent fires and floods, protect entry points and stream surveillance to your phone.

Does Ajax alarm work with Alexa?

Amazon’s Alexa and Google’s Assistant are not currently supported by Ajax.

How do I turn off Ajax alarm?

You control Ajax alarm systems from their app. To turn off an Ajax alarm:

  1. Open the Ajax app on your mobile phone
  2. Go to Devices
  3. Select your desired device
  4. Choose Settings
  5. Under the menu item, select Temporary Deactivation.

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0121 386 2639