# Ajax DoorProtect Wireless Door and Window Sensor, White

**URL:** https://aio.lv/en/product--ajax-systems-3809903wh1--12546742
**Data updated:** 2026-07-06 17:46 (EEST)
**Category:** Home Goods Accessories
**Manufacturer:** Ajax Systems
**Manufacturer code:** 38099.03.WH1
**EAN:** 4823114014932
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 113.49 €
**Prices and availability valid until:** 2026-08-13 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-3809903wh1--12546742

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 11.08.2026 | free |
| Pickup points | 14.08.2026 | 1.89 EUR |
| Courier delivery to door | 14.08.2026 | 4.99 EUR |

## Summary description

The Ajax DoorProtect is a wireless magnetic contact sensor designed for security systems. It detects the opening of doors or windows, providing reliable intrusion protection. Featuring a long battery life of up to 84 months using a CR123A battery, this white sensor integrates seamlessly into home security setups. It ensures prompt alerts and high-performance monitoring for residential or commercial premises.

## Long description

The Ajax DoorProtect is a professional-grade wireless magnetic contact sensor engineered to enhance the security of residential and commercial properties. This device reliably detects the opening of doors and windows, serving as a critical component of an intrusion protection system. Designed for seamless integration, the sensor features a sleek white finish and utilizes advanced reed switch technology to monitor entry points with high precision. It is built to operate efficiently for up to 84 months on a single CR123A battery, ensuring long-term reliability with minimal maintenance.
Advantages
The primary benefit of the Ajax DoorProtect is its robust wireless communication, which supports a range of up to 1200 meters in open spaces. The device incorporates sophisticated anti-forgery authentication and encryption to prevent signal jamming and unauthorized access. Its versatile design allows for installation on various surfaces, including metal door frames, and it includes two different magnet sizes to accommodate narrow or standard frames. Furthermore, the sensor features an external contact input, enabling users to connect additional third-party wired detectors to the system.
Suitable for
Securing residential entry doors and windows
Monitoring commercial storefronts or office entrances
Protecting balcony doors and garage access points
Integrating with existing Ajax security hubs
When it may not be suitable
This sensor is designed specifically for detecting the opening of doors and windows and is not intended for motion detection or glass break sensing. It requires an Ajax hub to function and cannot operate as a standalone device without a compatible security system.
Key specifications
Connectivity: Wireless RF
Maximum range: 1200 meters
Battery type: CR123A (3V)
Battery life: Up to 84 months
Dimensions: 20 mm x 20 mm x 90 mm
Color: White
Installation: SmartBracket mounting
How to use
The Ajax DoorProtect is ready for immediate use as the battery is pre-installed. To set it up, simply add the device to your Ajax hub via the mobile application with a single click. The sensor consists of two modules: the detector and the magnet. Choose the appropriate magnet size based on your frame width—the large magnet supports a distance of up to 2 cm, while the small magnet supports up to 1 cm. Mount the modules using the included SmartBracket system for a secure and quick installation.
What to consider before purchase
Ensure you have a compatible Ajax hub installed
Verify the distance between the magnet and the detector does not exceed the specified limits
Check the mounting surface to ensure it is clean and suitable for the adhesive or screws
Usage recommendations
For optimal performance, test the signal strength and the magnetic contact gap after installation using the mobile application. Regularly check the battery status through the app to ensure continuous protection.

## 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 | White |
| 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 — 67 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 11.08.2026 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/12546742/68926864_large.webp