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Ajax HomeSiren Wireless Internal Sounder – Black

Model Number: AJA-22894Categories: Wireless

Ajax is smart, reliable, and lightning fast. It reacts to real dangers only, not to false alarms. If an event occurs, Ajax will notify you in a heartbeat.

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Ajax has been designed and built from scratch by combining functional design, the latest technology and the best components available. This uncompromising approach made it possible to create a user friendly security system that provides top level reliability and functionality to security professionals.

HomeSiren is a wireless indoor siren that loudly notifies of an alarm during detector activation. It is installed indoors to warn of danger or deter intruders. Sound level and alarm length are set in the mobile application, the HomeSiren also offers entry and exit beeps.
Connector for external LED is available. It can be mounted outside your apartment or office to monitor the security system status.

Ready to operate straight out of the box, the HomeSiren battery is already installed, therefore there is no need to disassemble the detector. With one click, it can be connected to the hub via the mobile application.


  • Radio channel security sounder
  • For indoor use
  • Operates only with Hub, Hub Plus and ReX
  • Type of notification: sound
  • Connector for external LED
  • Sound volume level: Adjustable, 81−105 dB at a distance of 1 m
  • Alarm length adjustable, 3−180 s
  • Indication of armed/disarmed status
  • Battery life — up to 5 years
  • Jeweller radio technology
  • Communication range with central unit: up to 2,000 m in an open space
  • Two-way communication between devices
  • Operating frequencies – 868.0−868.6 MHz
  • Operating temperature range: from -10°С to +40°С
  • Permissible humidity: up to 75%
  • Protection class of body: IP50
  • Jamming detection
  • Tamper-resistant
  • Remote setting and testing
  • Dimensions: 75х76х27 mm
  • Weight: 97 g
  • Certification: Grade 2, CE

*Battery backup: 2x CR123A Lithium battery (included)*


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