# Ajax MotionProtect Wireless Passive Infrared PIR Motion Sensor, Black

**URL:** https://aio.lv/en/product--ajax-systems-3819409bl1--12490303
**Data updated:** 2026-06-02 20:07 (EEST)
**Category:** Home Goods Accessories
**Manufacturer:** Ajax Systems
**Manufacturer code:** 38194.09.BL1
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 183.99 €
**Prices and availability valid until:** 2026-07-24 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-3819409bl1--12490303

## 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 MotionProtect is a wireless passive infrared (PIR) motion sensor designed for indoor security systems. It features advanced motion detection technology to identify human presence while ignoring pets. The device includes a mounting bracket for easy installation on walls. It is a reliable component for professional security setups, ensuring accurate monitoring and integration with the Ajax security ecosystem.

## Long description

The Ajax MotionProtect is a professional-grade wireless passive infrared (PIR) motion sensor designed to enhance indoor security. This device reliably detects human presence while effectively ignoring pets weighing up to 20 kg and measuring up to 50 cm in height. Engineered for seamless integration into the Ajax security ecosystem, it provides real-time notifications to the owner upon the first signs of unauthorized entry, making it an essential component for protecting homes and offices.
Advantages
This motion sensor offers exceptional reliability through advanced digital signal processing, which minimizes false alarms by accurately distinguishing between human movement and environmental factors. Its intelligent sensitivity adjustment ensures consistent performance in varying temperatures, maintaining accuracy even in heat conditions up to +40°C. The device is designed for longevity, operating for up to seven years on a single pre-installed battery. Furthermore, it features robust security protocols, including communication channel encryption, jamming detection, and tamper protection to prevent unauthorized interference.
Suitable for
Residential indoor security monitoring
Office and commercial space intrusion detection
Protecting entry points such as doors and hallways
Environments with small pets
The Ajax MotionProtect is specifically designed for indoor use and is not suitable for outdoor environments where exposure to direct sunlight, rain, or extreme weather conditions could interfere with the infrared sensor. It is also not intended for use in areas where large animals exceeding the specified weight and height limits are present, as this may lead to false triggers.
Key specifications
Sensor type: Passive infrared (PIR)
Detection distance: Up to 12 meters
Connectivity: Wireless
Power source: CR123A battery
Operating temperature range: -10°C to +40°C
Mounting: Wall-mounted via SmartBracket
Pet immunity: Up to 20 kg and 50 cm height
Installation is straightforward and designed for efficiency. The device comes ready to use with the battery pre-installed, eliminating the need to disassemble the housing. Users can connect the sensor to the Ajax hub via the mobile application with a single click. The included SmartBracket mounting plate allows for quick and secure wall installation in locations likely to be used for intruder entry, such as near doors or windows.
What to consider before purchase
Ensure the installation location is indoors and away from direct heat sources.
Verify that the mounting surface is stable and suitable for the SmartBracket.
Check compatibility with your existing Ajax security hub.
Confirm that the area of coverage does not include large pets exceeding the immunity limits.
For optimal performance, position the sensor at a height of 2.4 meters and ensure the field of view is not obstructed by furniture, curtains, or glass partitions. Regularly test the device via the mobile application to ensure consistent connectivity and battery health.

## Specifications

| Feature | Value |
|---|---|
| Interface | RF |
| Weight | 0.086 kg |
| 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 | 110 mm |
| LED indicators | Y |
| Sensor type | Passive infrared (PIR) sensor |
| Width | 65 mm |
| Depth | 50 mm |
| Connectivity technology | Wireless |
| Product colour | Black |
| Battery life | 5 year(s) |
| Manual | Yes |
| Battery voltage | 3 V |
| Batteries included | Yes |
| Mounting type | Wall |
| International Protection (IP) code | IP50 |
| Placement | Indoor |
| Power source type | Battery |
| Transmission distance | 1700 m |
| Detection distance | 12 m |
| Mounting bracket(s) included | Yes |
| Pet immunity (max) | 20 kg |
| Tamper protection | Yes |

## FAQ

### How much does the Ajax MotionProtect Wireless PIR Motion Sensor - Black 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 — 44 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

https://aio.lv/img/cache/product/12490303/68824089_large.webp