Ajax HomeSiren U Wireless Internal Sounder - White (AJA-121299)
The Ajax HomeSiren U Jeweller is a wireless indoor siren designed to provide powerful sound alerts when the security system is triggered, deterring intruders and notifying occupants instantly. It features a built in LED indicator with the option to connect an external LED for added visibility. Through the Ajax app, users can adjust both the sound volume and alarm duration to suit their environment.
The siren uses Ajax’s Jeweller radio protocol for secure two way communication, with encryption, device authentication, and jamming detection to ensure reliability. It has a communication range of up to 2000 metres in open space, making it suitable for properties of different sizes.
Powered by pre installed CR123A batteries, the device offers up to five years of dependable operation. Additional features such as tamper protection and a door chime function add extra convenience and security. With its clear sound output and versatile configuration, HomeSiren U Jeweller is an effective solution for both homes and businesses.
Installation is simple thanks to the SmartBracket mounting panel, which removes the need to open the enclosure. The device is fully managed via the Ajax app and complies with EN 50131 Grade 2 and PD 6662:2017 standards, ensuring it meets professional security requirements.
Key Features:
- Adjustable sound volume from 80 to 105 dB and customizable alarm duration
- Built in LED indicator with optional external LED connection
- 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