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Ajax HomeSiren U Wireless Internal Sounder – White (AJA-121299)
£6799 inc. VAT
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Official Ajax Ajax HomeSiren U Wireless Internal Sounder – White (AJA-121299) with White EN50131 Grade 2 features. Ready for same-day UK dispatch for professional security systems.
Description
Providing a visual and audible frontline deterrent, the Ajax Ajax HomeSiren U Wireless Internal Sounder – White (AJA-121299) warns off intruders before they can breach the property.
Featuring White EN50131 Grade 2 technology, the Ajax HomeSiren U Wireless Internal Sounder – White (AJA-121299) is a critical component of the Ajax platform, delivering immediate detection and low-latency system communication.
Professional Features
- 1 x Ajax HomeSiren U Wireless Internal Sounder – White (AJA-121299)
- Secure Jeweller communication with encryption, authentication, and jamming detection up to 2000 m range
- Up to 5 years of operation on pre installed CR123A batteries with tamper protection
- Easy installation with SmartBracket and full compliance with UK and European standards
- Pre-installed CR123A or equivalent battery
- Adjustable sound volume from 80 to 105 dB and customizable alarm duration
- Built in LED indicator with optional external LED connection
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Powerful visual deterrent
- Weather-resistant housing
- May require high-level mounting for maximum reach
Technical Specifications
| Brand | Ajax |
| Product SKU | AJA-121299 |
| Security Certification | Grade 2 |
| Connectivity Type | Wireless |
| Application | Residential / Commercial |
Note: Ensure compatibility with your Ajax control panel before installation. For technical advice, consult our installation guides.
Finished in a professional Alpine White, this unit is designed to blend seamlessly into residential ceilings and light-colored commercial walls.
Expert Analysis
The AJA-121299 model represents the latest in Ajax’s security roadmap, offering improved battery life and encrypted signal protocols.
Why buy from Evolution-EE?
As an official UK stockist, we provide 24-month warranties on all professional hardware. Our technical team is available to support your installation with expert guidance on system configuration.
Recommended Use Case
Acts as a powerful visual and audible deterrent for the exterior of your property, alerting neighbors and warding off intruders before they enter.
Pro Tip: Test the signal strength using the system app before final mounting.
What’s in the Box?
- 1 x Ajax HomeSiren U Wireless Internal Sounder – White (AJA-121299)
- Secure Jeweller communication with encryption, authentication, and jamming detection up to 2000 m range
- Up to 5 years of operation on pre installed CR123A batteries with tamper protection
- Easy installation with SmartBracket and full compliance with UK and European standards
- Pre-installed CR123A or equivalent battery
- Adjustable sound volume from 80 to 105 dB and customizable alarm duration
- Built in LED indicator with optional external LED connection
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Powerful visual deterrent
- Weather-resistant housing
- May require high-level mounting for maximum reach
Advanced Technology: Utilizes the proprietary Jeweller radio protocol for secure, long-range communication of up to 2,000 meters in open space.
Aesthetic Finish: Alpine White
Expert Verdict
✓ Pros:
- 1 x Ajax HomeSiren U Wireless Internal Sounder – White (AJA-121299)
- Secure Jeweller communication with encryption, authentication, and jamming detection up to 2000 m range
- Up to 5 years of operation on pre installed CR123A batteries with tamper protection
- Easy installation with SmartBracket and full compliance with UK and European standards
- Pre-installed CR123A or equivalent battery
- Adjustable sound volume from 80 to 105 dB and customizable alarm duration
- Built in LED indicator with optional external LED connection
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Powerful visual deterrent
- Weather-resistant housing
- May require high-level mounting for maximum reach
⚠ Considerations:
- 1 x Ajax HomeSiren U Wireless Internal Sounder – White (AJA-121299)
- Secure Jeweller communication with encryption, authentication, and jamming detection up to 2000 m range
- Up to 5 years of operation on pre installed CR123A batteries with tamper protection
- Easy installation with SmartBracket and full compliance with UK and European standards
- Pre-installed CR123A or equivalent battery
- Adjustable sound volume from 80 to 105 dB and customizable alarm duration
- Built in LED indicator with optional external LED connection
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Powerful visual deterrent
- Weather-resistant housing
- May require high-level mounting for maximum reach
Explore our wider range of low-voltage security cables to complete your installation.
Technical Overview
| Brand | Ajax |
| System Type | Wireless |
| Compatibility | Ajax |
| Location | Indoor |
Additional information
| Brand | Ajax |
|---|---|
| System Type | Wireless |
| Compatibility | Ajax |
| Location | Indoor |