Sirena wireless Ajax HomeSiren Indoor nero

Ajax HomeSiren Indoor Black is a wireless indoor siren for security systems that emits a loud audible alarm when a connected detector is triggered. The device is compact and lightweight, compatible with Ajax hubs and designed for quick installation. It operates on the 868–868.6 MHz band and is powered by CR123A batteries (two included), offering years of service without frequent battery replacement.

Advantages

The siren provides adjustable sound level and alarm duration via the mobile application. It includes a connector for an external LED indicator to display system status outside the protected area. The unit is shipped with batteries preinstalled and can be paired with the hub with a single click, enabling fast installation and setup. Its small size and low weight make it easy to mount on a SmartBracket or a wall.

Suitable for

• Homes and apartments
• Small offices and retail spaces
• Interior areas where a loud audible alert is required
• Locations needing visible status indication via external LED

Key specifications

• Model: Ajax HomeSiren Indoor Black
• Frequency range: 868–868.6 MHz
• Power supply: CR123A batteries (2 included)
• Battery life: up to 5 years (depending on use)
• Dimensions: 75 × 27 × 76 mm
• Weight: 97 g
• MPN: 8681
• EAN: 856963007293

How to use

Mount the siren indoors on a SmartBracket or a suitable flat surface. The device arrives with batteries installed; remove protective film (if present) and add the siren to your Ajax hub using the mobile application with one click. Configure sound level and alarm duration in the app. Connect an external LED indicator to the dedicated connector if visual status monitoring is required.

Recommendations

Install the siren in a central indoor location where the alarm can be clearly heard throughout the protected area. Avoid placing the unit outdoors or in humid environments. Test the siren and check battery status periodically via the mobile application.