# Weather station TFA 30.3901.02 — indoor/outdoor sensor support, wireless data (model 30.3901.02)

**URL:** https://aio.lv/en/product--tfa-30390102--11677043
**Data updated:** 2026-01-19 07:37 (EET)
**Category:** Weather Station
**Manufacturer:** TFA
**Manufacturer code:** 30.3901.02
**EAN:** 4009816042095
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 17.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tfa-30390102--11677043

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

TFA 30.3901.02 is a weather station designed to monitor indoor and outdoor conditions. It supports wireless sensors and displays environmental readings for home use, hobby weather monitoring or small-scale site monitoring. The unit provides convenient real-time measurements, simple installation and helps users track temperature and other basic weather parameters for daily planning.

## Long description

TFA 30.3901.02 is a compact weather station designed to monitor indoor and outdoor environmental conditions. The unit supports wireless sensors and displays real-time readings that help with everyday planning, hobby weather observation and light site monitoring. Installation is straightforward and the display presents temperature and related basic weather parameters in a user-friendly layout suitable for home use.
Advantages
The device combines indoor and outdoor monitoring in a single system with wireless sensor support for flexible placement. Real-time wireless transmission delivers up-to-date measurements without the need for physical wiring. The compact format and clear display make the station suitable for locations with limited space, while simple setup reduces time to first use.
Suitable for
Home climate monitoring (living room, nursery, basement)
Hobby weather observation and small garden monitoring
Temporary site monitoring for non-critical environments
Indoor/outdoor temperature tracking for daily planning
Key specifications
Measurement types: indoor and outdoor temperature (and related basic environmental parameters)
Sensor connectivity: wireless sensor support for remote measurements
Display: integrated display for real-time readings
Installation: wall-mountable or tabletop placement options
Power: battery-powered operation for both base unit and remote sensors
How to use
Place the main unit on a stable surface or mount it on a wall at eye level for comfortable reading. Install batteries in the base unit and in any wireless sensors according to the manufacturer instructions. Position the outdoor sensor in a shaded, ventilated location away from direct sunlight and precipitation to ensure accurate temperature readings. Allow the system a few minutes to synchronize and display the incoming sensor data; consult the manual for pairing multiple sensors if required.
Usage recommendations
For consistent measurements, avoid placing sensors near heat sources, radiators, windows with strong sunlight or ventilation outlets. Regularly check batteries and replace them when signal strength or update frequency decreases. If monitoring sensitive areas, consider adding additional sensors and positioning them according to the specific microclimate to obtain representative readings.

## FAQ

### How much does the Weather station TFA 30.3901.02 cost, and is it available for purchase?

The price is 20.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 01.07.2026 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, 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 TFA 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 TFA 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/11677043/66995519_large.webp