# Ajax HomeSiren Wireless Indoor Siren 868 MHz

**URL:** https://aio.lv/en/product--ajax-systems-3811111wh1--12546738
**Data updated:** 2026-07-06 17:46 (EEST)
**Category:** Home Goods Accessories
**Manufacturer:** Ajax Systems
**Manufacturer code:** 38111.11.WH1
**EAN:** 4823114014819
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 183.99 €
**Prices and availability valid until:** 2026-08-14 23:59
**Price without VAT (21%):** 152.06 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ajax-systems-3811111wh1--12546738

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 12.08.2026 | free |
| Pickup points | 17.08.2026 | 1.89 EUR |
| Courier delivery to door | 17.08.2026 | 4.99 EUR |

## Summary description

The Ajax HomeSiren is a wireless indoor siren designed for security alarm systems. It operates on an 868 MHz frequency and provides high-volume sound alerts during intrusion events. Powered by two CR123A batteries with a lifespan of up to 5 years, this compact device ensures reliable notification within your home security network. It is easy to install and integrates seamlessly with the Ajax security ecosystem.

## Long description

The Ajax HomeSiren is a professional-grade wireless indoor siren designed to provide immediate audible alerts during security system activations. Operating on the 868 MHz frequency, this compact device integrates seamlessly into the Ajax security ecosystem to ensure reliable communication and rapid response to intrusion events. With its sleek design and high-volume output, it serves as a critical component for maintaining awareness of your home or office security status.
Advantages
This siren offers exceptional reliability through advanced authentication protocols that prevent forgery and signal jamming detection to maintain a secure connection. The device is highly energy-efficient, powered by two pre-installed CR123A batteries that provide a lifespan of up to five years, minimizing maintenance requirements. Users benefit from flexible configuration options, allowing for adjustable sound levels and alarm durations directly through the mobile application. Furthermore, the inclusion of a built-in LED provides visual confirmation of the system's armed or disarmed state, while the option to connect an external LED allows for status monitoring from outside the premises.
Suitable for
Residential security systems
Office and commercial space monitoring
Indoor intrusion detection alerts
Visual and audible status notification
This device is not suitable for outdoor installation as it is designed specifically for indoor environments with an IP50 rating. It is also not intended to function as a standalone alarm system, as it requires connection to an Ajax hub to operate effectively.
Key specifications
Operating frequency: 868 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: White
Installation is straightforward and designed for quick deployment. The device comes ready to use with batteries pre-installed, eliminating the need to open the casing. You can connect the siren to your Ajax hub with a single click via the mobile application. Mounting is achieved using the included SmartBracket, which allows for secure attachment to walls or surfaces in just a few minutes.
What to consider before purchase
Ensure your location is within the range of an Ajax hub
Verify that the indoor environment is suitable for an IP50-rated device
Confirm that you have the Ajax mobile application installed for configuration
For optimal performance, place the siren in a central location where the audible alarm can be heard clearly throughout the premises. Regularly check the device status via the mobile application to ensure the battery levels and connection quality remain within operational parameters.

## 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 | White |
| 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 183.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 84 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 12.08.2026 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/12546738/68926870_large.webp