# Ajax HomeSiren Wireless Indoor Siren, 868 MHz, Black

**URL:** https://aio.lv/en/product--ajax-systems-3811011bl1--12546739
**Data updated:** 2026-07-06 17:46 (EEST)
**Category:** Home Goods Accessories
**Manufacturer:** Ajax Systems
**Manufacturer code:** 38110.11.BL1
**EAN:** 4823114014826
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 157.49 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 130.16 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ajax-systems-3811011bl1--12546739

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 05.08.2026 | free |
| Pickup points | 10.08.2026 | 1.89 EUR |
| Courier delivery to door | 10.08.2026 | 4.99 EUR |

## Summary description

The Ajax HomeSiren is a wireless indoor alarm device operating at 868 MHz for reliable security signaling. Powered by two CR123A batteries with a lifespan of up to 5 years, it provides an effective sound alert system for intrusion detection. Designed for seamless integration into security setups, this compact siren ensures immediate notification in case of an alarm event, maintaining high performance and energy efficiency for indoor residential or commercial environments.

## Long description

The Ajax HomeSiren is a professional-grade wireless indoor siren designed to provide immediate audible alerts during security system activations. Operating at a frequency of 868 MHz, this compact device is engineered for reliable communication within residential or commercial security setups. Its sleek black design allows it to blend discreetly into any interior while delivering a powerful 105 dB sound output to deter intruders and notify occupants of potential threats.
Advantages
This wireless siren offers exceptional reliability through advanced authentication protocols that prevent forgery and signal jamming detection to ensure constant connectivity. The device is highly energy-efficient, utilizing two pre-installed CR123A batteries that provide a lifespan of up to five years, minimizing maintenance requirements. Users benefit from high flexibility, as both the sound volume and the duration of the alarm can be customized directly through the mobile application. Furthermore, the inclusion of a tamper alarm provides an extra layer of security, alerting the system if an unauthorized attempt is made to remove or damage the device.
Suitable for
Residential apartments and houses
Small to medium-sized office spaces
Retail environments requiring intrusion notification
Indoor areas where immediate audible alarm signaling is necessary
The Ajax HomeSiren is not suitable for outdoor installation, as it is designed specifically for indoor environments with an IP50 rating. It should not be placed in areas with extreme humidity or temperatures outside the manufacturer's specified operating range, as this may affect performance or battery longevity.
Key specifications
Operating frequency: 868 - 868.6 MHz
Sound level: 105 dB
Battery type: 2 x CR123A (3 V)
Battery life: Up to 5 years
Dimensions: 75 x 27 x 76 mm
Weight: 97 g
Protection class: IP50
Color: Black
The device is designed for quick deployment and is ready to use immediately upon unboxing. To install, simply add the siren to your security hub via the mobile application with a single click. The siren can be securely mounted to a wall or surface using the included SmartBracket, which allows for easy positioning without the need to disassemble the main housing. If additional status monitoring is required, an external LED can be connected to the dedicated port on the device.
What to consider before purchase
Ensure your security hub is compatible with the 868 MHz frequency range.
Verify that the installation location is indoors and protected from direct weather exposure.
Consider if an external LED indicator is needed for monitoring the system status from outside the room.
Usage recommendations: Regularly test the siren through the mobile application to ensure the sound level is appropriate for your space and that the connection to the hub remains stable. Keep the device away from large metal objects or mirrors that could potentially obstruct the wireless signal.

## Specifications

| Feature | Value |
|---|---|
| Type | Wireless siren |
| Dimensions (WxDxH) | 75 x 27 x 76 |
| Weight | 0.097 kg |
| Certification | DSTU EN 50131 |
| Battery type | CR123A |
| Operating temperature (T-T) | -10 - 40 |
| Number of batteries supported | 2 |
| Alarm decibels | 105 dB |
| Product colour | Black |
| Operating frequency | 868 - 868.6 |
| Battery life | 5 year(s) |
| Quick start guide | Yes |
| Battery voltage | 3 V |
| Alarm duration | 180 |
| Active tampering alarm | Yes |
| International Protection (IP) code | IP50 |
| Number of batteries included | 2 pc(s) |
| Light alarm | Yes |
| Mobile operating systems supported | iOS, Android |
| Placement available | Indoor |

## FAQ

### How much does the Ajax HomeSiren Wireless Indoor Siren cost, and is it available for purchase?

The price is 157.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 05.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Ajax Systems products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Ajax Systems service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12546739/68926869_large.webp