# Ajax DoorProtect Wireless Door and Window Sensor, Black

**URL:** https://aio.lv/en/product--ajax-systems-3809803bl1--12490296
**Data updated:** 2026-06-02 20:07 (EEST)
**Category:** Home Goods Accessories
**Manufacturer:** Ajax Systems
**Manufacturer code:** 38098.03.BL1
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 113.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 93.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ajax-systems-3809803bl1--12490296

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Ajax DoorProtect is a wireless magnetic contact sensor designed for security systems. It detects the opening of doors and windows, providing reliable perimeter protection. Featuring a long battery life of up to 84 months using a CR123A battery, this black sensor integrates seamlessly into the Ajax security ecosystem. It is ideal for residential and commercial security monitoring, ensuring immediate alerts upon unauthorized entry.

## Long description

The Ajax DoorProtect is a professional-grade wireless magnetic contact sensor engineered to provide reliable perimeter security for residential and commercial properties. Designed to detect the opening of doors and windows, this device serves as a critical component of the Ajax security ecosystem. Its sleek black finish allows it to blend discreetly into modern interiors while offering robust protection against unauthorized entry.
Advantages
This sensor stands out due to its exceptional energy efficiency, capable of operating for up to 84 months on a single CR123A battery. It features advanced authentication technology to prevent forgery, along with sophisticated jamming detection and encrypted communication channels to ensure system integrity. The inclusion of two different magnet sizes provides flexibility for installation on various frame types, including narrow frames and metal surfaces. Furthermore, the device supports an external contact, allowing users to connect additional third-party wired detectors to the system.
Suitable for
Residential door and window security
Commercial office perimeter monitoring
Securing metal doors and narrow window frames
Integration with existing Ajax security hubs
When it may not be suitable
The Ajax DoorProtect is designed specifically for use within the Ajax security ecosystem and requires a compatible Ajax hub to function. It is not a standalone device and cannot be integrated into third-party alarm systems that do not support the Ajax wireless protocol.
Key specifications
Wireless connectivity via RF
Maximum outdoor range of 1200 meters
Battery type: CR123A (3V)
Battery life: Up to 84 months
Dimensions: 20 mm x 20 mm x 90 mm
Tamper protection alarm
Includes two magnets for varied installation distances
How to use
The device is ready for immediate use out of the box with the battery pre-installed. To set it up, simply add the sensor to your Ajax hub via the mobile application with a single click. The sensor consists of two modules: the main detector and the magnet. Mount the SmartBracket to your chosen surface, then attach the detector. Position the magnet within the recommended distance—up to 2 cm for the large magnet or 1 cm for the small magnet—to ensure accurate detection of opening events.
What to consider before purchase
Ensure you have an Ajax hub installed to manage the sensor
Verify the distance between the magnet and the detector before permanent mounting
Check if your installation surface requires the large or small magnet provided
Usage recommendations
For optimal performance, regularly check the signal strength and battery status through the Ajax mobile application. Ensure the sensor is mounted securely on a stable surface to prevent false triggers caused by vibrations.

## Specifications

| Feature | Value |
|---|---|
| Interface | RF Wireless |
| Weight | 0.029 kg |
| Certification | Grade 2, CE |
| Security algorithms | AES |
| Operating relative humidity (H-H) | 0 - 75 |
| Battery type | CR123A |
| Operating temperature (T-T) | -10 - 40 |
| Number of batteries supported | 1 |
| Height | 90 mm |
| Width | 20 mm |
| Depth | 20 mm |
| Connectivity technology | Wireless |
| Product colour | Black |
| Manual | Yes |
| Battery voltage | 3 V |
| Number of products included | 1 pc(s) |
| Maximum outdoor range | 1200 m |
| Suitable for | Door/Window |
| Battery life | 84 month(s) |
| Battery included | Yes |
| Suitable for indoor use | Yes |
| Tamper protection | Yes |

## FAQ

### How much does the Ajax DoorProtect Wireless Door and Window Sensor cost, and is it available for purchase?

The price is 113.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 39 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 23.07.2026 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. 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

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