At a glance
- Battery Life
- Up to 5 years
- Batteries
- 2 × CR123A (pre-installed)
- Volume
- 80 to 100 dB at 1 m, adjustable (93 dB default)
- Protection Class
- IP50
- Operating Temperature
- -10 °C to +40 °C
- Dimensions
- 75 × 76 × 27 mm
In the box
- HomeSiren Jeweller
- SmartBracket mounting panel
- 2 x CR123A battery (pre-installed)
- Connector for an LED indicator
- Installation kit
- Quick start guide
Model HS.Y.JAjax HomeSiren Jeweller Wireless Indoor Siren, 80 to 100 dB
₹7,984 Incl. GST
₹6,766 + 18% GST
At a glance
- Battery Life
- Up to 5 years
- Batteries
- 2 × CR123A (pre-installed)
- Volume
- 80 to 100 dB at 1 m, adjustable (93 dB default)
- Protection Class
- IP50
- Operating Temperature
- -10 °C to +40 °C
- Dimensions
- 75 × 76 × 27 mm
Indoor siren that sounds when your Ajax alarm is triggered and can also play entry and exit delay tones and a door chime. Adjustable volume, connector for an external LED, up to 5 years on two CR123A batteries; works with an Ajax hub.
- WarrantyManufacturer warranty under Ajax's terms: 2 years. Warranty claims
- DeliveryPrice, availability and delivery charges are confirmed in your quotation. Shipping and delivery
Overview
The Ajax HomeSiren Jeweller is a wireless indoor siren that sounds and flashes when your Ajax alarm is triggered. It also plays entry and exit delay tones, confirms arming and disarming, and can chime when a door or window opens while the system is disarmed. It suits homes, flats, shops and offices on an Ajax system that want an audible alarm inside the building.
Is it right for you?
- It suits an indoor hallway or landing in a home, flat or small shop, mounted high up.
- It is indoor only (IP50, -10 to 40 °C). For an outside wall, choose the StreetSiren.
- Choose it if you want a door chime as well as an alarm sound.
- It can drive an external LED, useful if you want a visible indicator by the entrance or at a reception desk.
Key features
- Buzzer and LED alarm with adjustable volume, set in the Ajax app.
- Alarm duration from 3 s to 3 min, or up to 15 minutes with firmware NA 5.60.4.14 or later.
- Indicates alarms, entry and exit delays, security mode and mode changes, plus after-alarm indication.
- Chime that sounds when opening detectors trigger while the system is disarmed.
- Connector for an additional 3 V LED that mirrors the built-in LED indication.
- Tamper alarm on removal from the wall or SmartBracket panel, and communication loss detection after 36 s.
- Two CR123A batteries, pre-installed, with a calculated life of up to 5 years.
- Jeweller two-way radio with encryption and frequency hopping, up to 2,000 m to the hub or range extender in open space; 75 × 76 × 27 mm, 97 g.
What else you need
An Ajax hub or range extender and the Ajax app. It runs on its own batteries. Only if you want an external indicator, you also need a 3 V LED to plug into the supplied connector.
Installation
Mount it indoors on the SmartBracket panel at 2.5 m or higher with the supplied installation kit. An Ajax installer can position it, add it to the hub and set the volume, duration and chime.
Software and licences
Volume, alarm duration, indication and chime are set in the Ajax app by an administrator or an Ajax PRO.
Before you buy
- Indoor use only.
- Alarm duration above 3 minutes needs firmware NA 5.60.4.14 or later.
- Choose black or white.
Technical specifications
Key facts
- How is it powered?
- Battery: 2 × CR123A, Pre-installed
- Can it be used outdoors?
- IP50
- What comes in the box?
- HomeSiren Jeweller; SmartBracket mounting panel; 2 x CR123A battery (pre-installed); Connector for an LED indicator and 2 more
- Which documents are available?
- Datasheet, online manual, software (2), regional compliance reference (2), online specifications (3) Open documents
- Can SecurityGearHub help with installation?
- Setup guidanceManuals, wiring guides and answers to setup questions. On-site work is arranged separately where available. Ask about installation
RelatedSolutionIntrusion alarm systemsGuideWireless alarm system guideDocumentsAll Ajax documents
General
- Manufacturer model
- HS.Y.J
- Frequency Bands
- 866.0 to 866.5 MHz, 868.0 to 868.6 MHz, 868.7 to 869.2 MHz, 905.0 to 926.5 MHz, 915.85 to 926.5 MHz, 921.0 to 922.0 MHz (depends on sales region)
- Maximum Effective Radiated Power
- Up to 25 mW
- Radio Range (Open Space)
- Up to 2,000 m
- Encryption
- Block encryption with dynamic key
- Frequency Hopping
- Yes
- Communication Loss Detection
- After 36 s (depends on Jeweller settings)
- Alarm Indication
- Buzzer and LED
- Volume
- 80 to 100 dB at 1 m, adjustable (93 dB default)
- Alarm Duration
- 3 s to 3 min (up to 15 min with firmware NA 5.60.4.14 or later)
- Sound Frequency
- 3.4 ± 0.5 kHz
- External LED
- Connector for an additional 3 V LED
- Chime
- Yes, for opening detectors while disarmed
- Batteries
- 2 × CR123A (pre-installed)
Input
- Power supply
- Battery: 2 × CR123A, Pre-installed; Calculated battery life: up to 5 years, Siren’s operating voltage range, 1.9-3.3 V DC, Siren’s nominal operating voltage, 3 V DC, Quiescent siren’s current consumption at nominal voltage, 68 µA, Peak siren’s current consumption at nominal voltage, 1.1 A, Average siren’s current consumption at nominal voltage, 50 mA (When the siren sounds at the Very Loud volume level. When the siren sounds at the default volume level. Regardless of the arming mode); Full battery capacity: 3,200 mAh; Low battery voltage: 2.1 V DC; End-of-life battery voltage: 1.9 V DC (Device is switched off); End-of-life battery capacity: 366 mAh, Manufacturer, Huiderui
- Battery Life
- Up to 5 years
Protection
- Tamper Alarm
- Yes
Environment
- Operating Temperature
- -10 °C to +40 °C
- Protection Class
- IP50
Physical
- Enclosure
- Dimensions: 75 × 76 × 27 mm; Weight: 97 g; Operating temperature range: from -10 °C to +40 °C; Operating humidity: up to 75%; Protection class: IP50
- Recommended Mounting Height
- 2.5 m or higher
- Dimensions
- 75 × 76 × 27 mm
- Weight
- 97 g
- Colours
- Black, White
- Warranty
- Manufacturer warranty under Ajax's terms: 2 years. How claims work
Product attributes and shipping details
| Brand | Ajax |
|---|---|
| Colour | Black, White |
| IP Rating | IP50 |
| Alarm Technology | Jeweller |
Downloads
Download software
- Ajax Security System (iOS)Version 3.59 · iOS 18.0+ · Released October 28, 2026Prerequisites: Compatible Ajax hub; Ajax account; Device is added to a compatible Ajax hub and configured in Ajax apps (hub required)Licence: Free; account requiredSoftware · Family · apps.apple.comView official download page
- Ajax Security System (Android)Android · Released November 9, 2026Prerequisites: Compatible Ajax hub; Ajax account; Device is added to a compatible Ajax hub and configured in Ajax apps (hub required)Licence: Free; account requiredSoftware · Family · play.google.comView official download page
Documentation
- HomeSiren JewellerDatasheet · Family · 3.5 MBDownload
- Ajax HomeSiren Jeweller product pageOnline specifications · Family · ajax.systemsView official page
- Ajax HomeSiren Jeweller technical specifications pageOnline specifications · Family · ajax.systemsView official page
- Ajax device compatibility with hubs and control elementsOnline specifications · General · ajax.systemsView official page
User manual
- Ajax HomeSiren Jeweller: Online manualOnline manual · Family · ajax.systemsView official page
Series documents can differ from your exact model. Report a wrong or missing file
Questions about this product
Can it be used outdoors?
No. It is rated IP50 and designed for indoor use only. The StreetSiren is the outdoor model.
What power does it need?
Two pre-installed CR123A batteries, with a calculated life of up to 5 years.
Does it need an internet connection?
No. It is triggered by your Ajax hub over Jeweller radio.
Can it chime when a door opens?
Yes. With the chime enabled it sounds when opening detectors trigger while the system is disarmed.
How long does it sound for?
From 3 s to 3 minutes, adjustable in the app, or up to 15 minutes with firmware NA 5.60.4.14 or later.
How loud is it?
The volume is adjustable in the Ajax app, with a default level that an administrator can raise or lower.
Ask about this modelSetup, compatibility, what is in the box
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