SONOFF TH Origin Smart Temperature and Humidity Monitoring Switch

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【Supports High Power Devices – Up to 20A Max Load】With 20A maximum output, this smart switch can handle high-power home appliances like heaters, dehumidifiers, or electric kettles. 
【6-Month Temperature & Humidity History – Exportable by Hour】Track temperature and humidity data hourly for the past 6 months. View trends by hour, day, or month, and export data as .xlsx files for easy analysis. Ideal for greenhouses, server rooms, or Fermentation rooms.
【Smart Schedule Programming – Energy Saving with Home Comfort】Create up to 8 customized automation programs based on temperature, humidity, and time settings. Automatically turn devices on or off to reduce energy consumption and maintain a comfortable indoor environment all day long.
【Voice Control with Alexa & Google Assistant】Hands-free control with your voice assistants. Just speak out your command, the device will turn on/off as you say, or check the temperature and humidity for you.
【Smart Scenes & Multi-Device Automation】Easily create smart scenes that trigger actions based on temperature, humidity, or device status (on/off/invert). Use TH Origin as a trigger or an action executor in your broader smart home ecosystem.

TH Origin: 16A
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30 Days No Reason Returns
2-Year Hassle-Free Warranty

Specs & User Manual

SONOFF TH Origin is a Wi-Fi smart switch with real-time temperature and humidity monitoring. With up to 20A max load, it controls high-power devices like heaters or dehumidifiers. You can view 6-month data by hour in the app, and export to .xlsx for analysis, set up to 8 automation programs based on time, temperature, or humidity to save energy and stay comfortable. It supports 3 types of sensors: THS01 for temperature and humidity, WTS01 for water temperature monitoring, and MS01 for soil moisture, making it ideal for a wide range of applications.

User Manual (PDF)
Model

THR316/THR320

MCU

ESP32

THR316 Input/Output

100-240V~ 50/60Hz 16A Max

THR320 Input/Output

100-240V -50/60Hz 20A Max

Wi-Fi

IEEE 802.11 b/g/n 2.4GHz

Customer Reviews

Based on 2 reviews
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V
Vladimir Lebinac
Excellent device

Excellent device. I've used it for a few times and I'm very satisfied. I especially like the ease of connecting to the network.

G
Garry Thorpe
Lack of integration with Home Assistant

Unlike the TH10/16, the Sonoff software does not report the temperature for the TH20 to Home Assistant (HASS). I had to use an alternative solution and purchased Shelly's instead.