Cookies help us deliver our services. By using our services, you agree to our use of cookies. Learn more.
Product ID HomeSiren-B

Ajax Black HomeSiren Intruder Alarm

In Stock 0
0 reviews | Write a review

Free Shipping

  • Summary
  • Full Spec


Wireless indoor siren that loudly notifies of an alarm during detector activation. It is installed indoors to warn of danger or deter intruders.

Principle of operation: The device notifies of detector activation with an audible alarm. Sound level and alarm length are set in the mobile application.

Features: Connector for external LED is available. It can be mounted outside your apartment or office to monitor the security system status.

Installation and set up: Ready to operate straight out the box: the battery is already installed, therefore there is no need to disassemble the siren. With one click, it can be connected to the hub in the mobile application. It can be mounted on the SmartBracket in just a few minutes.

Key Features

  • Authentication to prevent forgery
  • Jamming detection and communication channels encryption
  • Tampering alarm
  • Indicates armed/disarmed state by means of a built-in LED
  • An external LED is connected to the siren, if necessary
  • Customizable sound level and alarm length during detector activation
Tech specs
Classification Radio channel security sounder
Type of siren Wireless
Installation method Indoors
Compatibility Operates only with Hub, Hub Plus, Hub 2 and ReX
Type of notification Sound
Connector for external LED Available
Sound volume level Adjustable, 81-105 dB at a distance of 1 m
Alarm length Adjustable, 3-180 s
Indication of armed/disarmed status Yes
Alarm signal delivery time 0,15 s
Power supply

Battery: Two CR123A batteries

Power supply voltage: 3 V

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

Self-adjusting RF output power — up to 20 mW

Block encryption based on AES algorithm

Device polling period — 12-300 s

Temperature sensor Available
Operating temperature range From -10°C to +40°C
Permissible humidity Up to 75%
Protection class of body IP50

Protection against fraud

Jamming detection


Remote setting and testing +
Dimensions 75 × 76 × 27 mm
Weight 97 g
Certification Grade 2, CE
Warranty Replacement and repair within 24 months of the date of sale. Batteries are not covered under warranty
Complete set

HomeSiren siren

SmartBracket mounting panel

Connector for LED indicator

Two CR123A batteries (pre-installed)

Installation set

User’s guide

Product Reviews
Be the first to review this product