# WiFi Temperature and Humidity Monitoring Switch Sonoff THR320D TH Elite 16A 2.4GHz

**URL:** https://aio.lv/en/product--sonoff-thr320d--8604351
**Data updated:** 2025-11-27 22:55 (EET)
**Category:** Home Automation
**Manufacturer:** Sonoff
**Manufacturer code:** THR320D
**EAN:** 6920075777543
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 17.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 14.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sonoff-thr320d--8604351

## 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 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

Sonoff THR320D TH Elite is a WiFi-enabled temperature and humidity monitoring switch with a 16A switching capacity and 2.4 GHz connectivity. Designed for remote monitoring and automated control of heating, ventilation or irrigation devices, it reports sensor data and triggers actions based on thresholds. Suitable for home automation, greenhouse or appliance protection, it enables scheduling, alerts and remote on/off control.

## Long description

Sonoff THR320D TH Elite is a WiFi-enabled temperature and humidity monitoring switch designed for remote monitoring and automated control of heating, ventilation and irrigation devices. The device reads sensor data and triggers the relay based on configured thresholds, supports scheduling and timers in the eWeLink app, and provides LAN backup for local control. It is compatible with Home Assistant, IFTTT, Amazon Alexa and Google Assistant and can record and export temperature and humidity history.
Advantages
The Sonoff THR320D offers real-time temperature and humidity monitoring with notification alerts and historical data export. It supports multiple sensor types (temperature, humidity, soil moisture) via the RJ9 4P4C connector and includes LAN mode so local control continues if cloud access is unavailable. The switch is built from flame-retardant PC material, includes a front shield and improved wiring for short-circuit protection, and comes with a mounting rail for easy installation.
Suitable for
Underfloor heating control
Home heating systems and boiler control
Greenhouse climate automation
Irrigation systems and garden watering
Temperature and humidity monitoring for terrariums or pools
Key specifications
Rated voltage: 100–240 V AC, 50/60 Hz
Maximum switching current: up to 20 A
Wireless: IEEE 802.11 b/g/n, 2.4 GHz Wi‑Fi
Compatible sensors: DS18B20 (temperature), SI7021 (humidity), MS01 (soil moisture) via RJ9 4P4C connector
Material: flame-retardant PC (V0)
Dimensions: 98 x 54 mm
How to use
Connect the appropriate sensor to the RJ9 4P4C connector, wire the switch into the controlled circuit following local electrical regulations, and mount the unit on the supplied rail. Add the device in the eWeLink app over a 2.4 GHz Wi‑Fi network, configure thresholds, schedules or one of the available programs, and enable notifications. Use LAN mode for local control when cloud services are not accessible.
Usage recommendations
Use compatible sensors recommended for the specific application (hermetic DS18B20 for temperature, SI7021 for humidity, MS01 for soil moisture). Ensure installation by a qualified electrician, avoid exposure to direct water ingress, and consult the app’s historical data export for maintenance planning.

## FAQ

### How much does the Sonoff THR320D TH Elite 16A WiFi Temp & Humidity Switch cost, and is it available for purchase?

The price is 17.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 721 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: 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 Sonoff 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 Sonoff 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/8604351/51656447_large.webp