# Wireless temperature and humidity sensor SENCOR SWS4100B — -40°C to 60°C, 20–95% RH, 433.92 MHz, 80 m range, 2×AA

**URL:** https://aio.lv/en/product--sencor-swsth4100b--10725837
**Data updated:** 2026-01-14 14:29 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** SENCOR
**Manufacturer code:** SWSTH4100B
**EAN:** 8590669349630
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 7.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 6.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sencor-swsth4100b--10725837

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.89 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The SENCOR SWS4100B is a wireless temperature and humidity sensor compatible with SWS 4100 B weather stations. It measures -40°C to 60°C and 20–95% relative humidity, transmits on 433.92 MHz with up to three selectable channels and a maximum range of 80 m. Powered by 2×AA batteries (not included), it is compact (39×100×23 mm) and lightweight (33 g) for indoor or sheltered outdoor placement.

## Long description

Wireless temperature and humidity sensor designed for use with SWS 4100 B weather stations. The sensor measures ambient temperature from -40°C to 60°C and relative humidity from 20% to 95%. It transmits data on 433.92 MHz, supports up to three selectable channels and has a maximum RF transmission range of 80 meters. The unit is powered by two AA 1.5 V batteries (not included) and has compact dimensions of 39 × 100 × 23 mm with a weight of 33 g.
Advantages
The sensor provides combined temperature and humidity measurement in a single compact device suitable for indoor or sheltered outdoor placement. Its three selectable RF channels reduce interference with other devices operating on the same frequency. Low weight and small dimensions make mounting and placement flexible, while battery power enables cordless installation.
Suitable for
Home weather stations compatible with SWS 4100 B
Indoor climate monitoring in living areas, basements or greenhouses
Supplementary outdoor sensing in sheltered locations such as porches or garages
Key specifications
Temperature range: -40°C to 60°C
Relative humidity range: 20%–95% RH
RF transmission frequency: 433.92 MHz
Selectable channels: 3
Maximum RF range: 80 meters (line of sight)
Power source: 2 × AA 1.5 V batteries (not included)
Dimensions (W×H×D): 39 × 100 × 23 mm
Weight: 33 g
Color: Black
How to use
Install two AA 1.5 V batteries into the battery compartment following polarity markings, then mount the sensor in a suitable location away from direct precipitation and strong heat sources. Select the appropriate RF channel on the sensor to match the receiving weather station and allow the station to synchronize with the sensor according to the station’s pairing procedure. Position the sensor within the stated RF range for reliable transmission.
Usage recommendations
For accurate environmental readings, place the sensor in a shaded, ventilated spot sheltered from direct rain and direct sunlight. Replace batteries annually or when signal/reporting becomes intermittent, and ensure the chosen mounting location keeps the device within the maximum transmission range for continuous data updates.

## FAQ

### How much does the SENCOR SWS4100B temperature & humidity sensor cost, and is it available for purchase?

The price is 7.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 03.07.2026 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 SENCOR 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 SENCOR 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/10725837/59806284_large.webp