# Door sensor Ajax DoorProtect White 38099.03.WH1 — wireless battery-powered door/window contact

**URL:** https://aio.lv/en/product--ajax-3809903wh1--10897306
**Data updated:** 2026-02-13 15:40 (EET)
**Category:** Smart Sensors
**Manufacturer:** Ajax
**Manufacturer code:** 38099.03.WH1
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 33.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 28.09 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ajax-3809903wh1--10897306

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Ajax DoorProtect White 38099.03.WH1 is a wireless, battery-powered door and window contact sensor from Ajax. Designed to detect opening and closing of doors or windows, it integrates with Ajax security systems and communicates wirelessly. Suitable for home or office use to alert of unauthorized entry and enhance perimeter security. Easy to install and maintain, it provides reliable contact monitoring.

## Long description

Ajax DoorProtect White is a wireless, battery-powered door and window contact designed to detect opening and closing of doors and windows. The sensor communicates with Ajax security hubs using a protected radio protocol, providing real-time status updates to the control system. Its compact white enclosure fits standard frames and door profiles, offering unobtrusive perimeter monitoring for residential and small commercial installations.
Advantages
The device offers wireless operation powered by an internal battery, eliminating the need for wiring and enabling fast installation. It delivers reliable magnet-contact detection with low power consumption and stable radio communication within the supported range of the Ajax system. The compact design and neutral white finish allow discreet placement, while compatibility with Ajax hubs ensures integration with alarm automation, notifications, and event logging.
Suitable for
Monitoring external and interior doors in homes and apartments
Securing windows and balcony doors
Perimeter protection for small offices and retail premises
Integration into smart alarm scenarios and home automation routines
Key specifications
Wireless communication with Ajax security hubs using the system protocol
Battery-powered operation for cable-free installation
Compact rectangular enclosure with white finish for discreet mounting
Magnetic contact detection of open/closed states
Low power consumption for extended battery life under typical use
How to use
Mount the sensor body on the fixed frame and the magnet on the moving part of the door or window so that the two elements align when closed. Pair the sensor with an Ajax hub following the hub’s device inclusion procedure; the sensor will appear in the system interface and report open/close events. Regularly check the device status via the Ajax app to monitor battery level and signal strength. Position the components within the recommended distance to ensure correct magnet triggering and reliable radio communication.
Usage recommendations
Install the sensor on clean, dry surfaces and avoid placing it near large metal objects that can interfere with the radio signal. Verify alignment of the magnet and sensor to ensure consistent detection, and replace the battery promptly when the system indicates low battery to maintain perimeter protection. Periodically test the sensor through the Ajax hub to confirm proper operation and firmware compatibility with the system.

## FAQ

### How much does the Door sensor Ajax DoorProtect White 38099.03.WH1 cost, and is it available for purchase?

The price is 33.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 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 02.07.2026 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 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 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/10897306/60358280_large.webp