Ajax Internal Siren

Protect your home with a sleek alarm that will deter intruders.

Ajax Internal Siren

Protect your home with a sleek alarm that will deter intruders.



Features a built-in LED notification system that indicates if the siren is armed or disarmed.


Added abilities to indicate delays, door chimes and security mode changes.


Adjustable volume levels and alarm lengths can be set for intruder detection. 





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Protect your home the right way.

Discover a better sense of security with the Ajax HomeSiren. The device notifies you through the mobile app when the detector is activated in addition to sounding an audible alarm. The sound level and alarm length are fully customisable, with a built-in LED indication system that can sync with the alarm itself.
The HomeSiren is so easy to install that we can do this for you in a matter of minutes when combined with the Ajax SmartBracket. It can be linked to the control hub seamlessly.

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