# External alarm siren Commax MR-100B/G — outdoor siren for security systems (model MR-100B/G)

**URL:** https://aio.lv/en/product--commax-mr-100bg--11790035
**Data updated:** 2026-03-09 07:10 (EET)
**Category:** CCTV Accessories
**Manufacturer:** Commax
**Manufacturer code:** MR-100B/G
**EAN:** 2410000006342
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 46.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 38.42 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--commax-mr-100bg--11790035

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

External alarm siren Commax MR-100B/G designed for use with security and alarm systems. Provides audible signaling for intruder alerts and emergency events. Features weather-resistant housing for outdoor installation, standard wiring interface for system integration, and mounting options for walls. Suitable for residential and small commercial premises to indicate alarms clearly and reliably.

## Long description

The Commax MR-100B/G external alarm siren is an outdoor signaling device designed to work with security and alarm systems. It delivers clear audible alerts to indicate intrusions or emergency events and is built with a weather-resistant housing intended for wall mounting. The unit uses a standard wired interface for integration with a variety of alarm control panels and is suitable for residential and small commercial installations where external notification is required.
Advantages
The siren offers a robust enclosure that protects internal components from rain and dust, enabling reliable operation in outdoor conditions. Its sound output is tuned for clear, attention-grabbing alerts while maintaining straightforward electrical connections for fast integration with existing systems. The design includes mounting provisions for secure attachment to exterior walls and a finish resistant to common environmental wear.
Suitable for
Residential homes and apartments requiring external alarm notifications
Small commercial premises such as shops and offices
Perimeter security and gate or yard monitoring
Integration with wired intrusion alarm control panels
Key specifications
Application: outdoor external alarm siren for security systems
Housing: weather-resistant enclosure suitable for outdoor installation
Mounting: wall-mount design with screw fixing points
Interface: standard wired electrical connections for alarm panel integration
Function: audible signaling for intruder and emergency alerts
How to use
Install the siren at a visible exterior location following local electrical codes and the alarm system manufacturer's guidelines. Secure the unit to an external wall using appropriate fasteners for the surface material, then connect the siren to the alarm control panel using the designated wired terminals. Configure the alarm panel output to activate the siren during alarm events and test the connection and sound output after installation to confirm proper operation.
Usage recommendations
Place the siren at a height and position that maximizes sound coverage while protecting the unit from direct exposure to extreme weather whenever possible. Regularly inspect mounting hardware and external wiring connections and perform a periodic functional test to ensure the siren remains operational.

## FAQ

### How much does the External alarm siren Commax MR-100B/G cost, and is it available for purchase?

The price is 46.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 07.07.2026 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, Bank cards on-line, Apple Pay, Google Pay. 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 Commax 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 Commax 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/11790035/67187994_large.webp