# Weather Station Retoo E252 wireless hygrometer with external sensor

**URL:** https://aio.lv/en/product--retoo-e252--12364150
**Data updated:** 2026-06-02 20:13 (EEST)
**Category:** Weather Station
**Manufacturer:** Retoo
**Manufacturer code:** E252
**EAN:** 5904094221332
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 18.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--retoo-e252--12364150

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Retoo E252 is a wireless weather station featuring a hygrometer and an external sensor for remote temperature and humidity monitoring. It provides ambient humidity readings, temperature data from the outdoor sensor, and real-time wireless transmission to the main unit. Suitable for home, greenhouse or small office use where local climate tracking and basic weather monitoring are needed.

## Long description

The Retoo E252 wireless weather station is a compact and reliable device designed for monitoring indoor and outdoor climate conditions. It includes a main display unit and a remote external sensor that transmits temperature and humidity data wirelessly. This system provides real-time updates, allowing users to keep track of environmental changes in their immediate surroundings with ease and precision.
Advantages
The primary benefit of the Retoo E252 is its wireless connectivity, which eliminates the need for complex wiring between the sensor and the main display. The device offers a clear interface that presents essential climate data in an accessible format. Its portable design ensures that it can be placed in various locations, while the external sensor provides accurate readings from outside or other rooms, helping users maintain optimal environmental conditions.
Suitable for
Monitoring indoor humidity and temperature in residential living spaces
Tracking climate conditions in small greenhouses or indoor plant areas
Observing temperature fluctuations in office environments
Basic weather monitoring for home use
This weather station may not be suitable for professional meteorological applications that require high-precision scientific data or long-range transmission over large distances. It is also not designed for industrial environments with extreme temperatures or high levels of moisture that exceed the sensor's operating range.
Key specifications
Wireless transmission technology
External sensor for remote monitoring
Integrated hygrometer for humidity measurement
Temperature display for indoor and outdoor readings
Compact, portable design
To use the Retoo E252, insert the required batteries into both the main unit and the external sensor. Once powered, the devices will automatically establish a wireless connection. Place the external sensor in a location protected from direct rain and extreme weather, while keeping the main unit in a convenient spot within your home or office. The display will update automatically as data is received from the sensor.
What to consider before purchase
Ensure the distance between the sensor and the main unit is within the effective wireless range
Verify that the sensor placement is sheltered from direct precipitation
Check battery requirements for both components
For the most accurate results, place the external sensor in a shaded area away from direct sunlight and heat sources. Regularly check the battery levels to ensure continuous data transmission and reliable monitoring.

## FAQ

### How much does the Weather Station Retoo E252 cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1007 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 16.07.2026 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 Retoo 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 Retoo 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/12364150/68342872_large.webp