# Motion Detector Tellur TLL331121 Passive Infrared Sensor Wireless White

**URL:** https://aio.lv/en/product--tellur-tll331121--3551014
**Data updated:** 2025-12-29 13:31 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** Tellur
**Manufacturer code:** TLL331121
**EAN:** 5949120002394
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 23.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tellur-tll331121--3551014

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.89 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The Tellur TLL331121 is a wireless passive infrared (PIR) motion detector with a detection distance of up to 6 meters. It operates on a CR123A battery, providing a battery life of up to 1 year. The compact design (48mm x 48mm x 50mm) makes it easy to install in various locations. It supports IEEE 802.11b/g/n networking standards, ensuring reliable connectivity. Ideal for enhancing security in homes and offices.

## Long description

The Tellur TLL331121 Motion Detector is a wireless passive infrared (PIR) sensor designed to detect movement up to 6 metres. It connects to 2.4 GHz WiFi (IEEE 802.11b/g/n) and integrates with the Tellur Smart app to send push notifications when motion is detected or when tampering is attempted. Compact dimensions (48 × 48 × 50 mm) and white finish allow discreet installation in homes and offices. The sensor is powered by a CR123A battery and can operate for up to one year under typical conditions.
Advantages
The device provides real-time push notifications through the Tellur Smart app and supports custom smart scenarios. It detects attempts to detach the unit and uses the widely supported 2.4 GHz WiFi band for reliable connectivity. Small size enables flexible placement and simple integration into existing SmartHome setups.
Suitable for (tasks / use cases)
Home security monitoring in rooms, corridors and entryways
Office motion detection for non-working hours
Integration into automated smart scenarios (lighting, alarms)
Temporary or permanent installations where compact sensors are required
Key specifications
Model: Tellur TLL331121
Sensor type: Passive infrared (PIR)
Detection distance: up to 6 m
Wireless: WiFi 2.4 GHz (IEEE 802.11b/g/n)
Power supply: CR123A battery
Battery life: up to 1 year (typical usage)
Dimensions: 48 × 48 × 50 mm
Colour: White
EAN: 5949120002394
How to use
Install the CR123A battery and mount the sensor at a location with a clear view of the monitored area, typically 1.8–2.4 metres above the floor for optimal coverage. Connect the device to your 2.4 GHz WiFi network using the Tellur Smart app and follow the in-app pairing instructions. Configure notification settings and include the sensor in desired smart scenarios (for example, triggering lights or sending alerts). Test detection by walking through the coverage area and adjusting position or angle if necessary.
Usage recommendations
Place the sensor away from direct heat sources, air vents and reflective surfaces to reduce false triggers. Use indoor mounting in dry locations and replace the CR123A battery when low battery notifications appear in the app. Ensure your router supports 2.4 GHz WiFi and maintain a stable internet connection for reliable notifications.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.05 kg |
| Operating relative humidity (H-H) | 20 - 85 |
| Battery type | CR123A |
| Operating temperature (T-T) | 0 - 40 |
| Height | 50 mm |
| Input voltage | 3 |
| LED indicators | Y |
| Sensor type | Passive infrared (PIR) sensor |
| Width | 48 mm |
| Depth | 48 mm |
| Connectivity technology | Wireless |
| Product colour | White |
| Networking standards | IEEE 802.11n, IEEE 802.11g, IEEE 802.11b |
| Battery life | 1 year(s) |
| Batteries included | Yes |
| Power source type | Battery |
| Screws included | Yes |
| Detection distance | 6 m |

## FAQ

### How much does the Motion Detector Tellur TLL331121 cost, and is it available for purchase?

The price is 27.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 29.06.2026 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: Cash payment, 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 Tellur 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 Tellur 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

### Where can I download the instructions for Motion Detector Tellur TLL331121?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/3551014/54663374_large.webp