TH Origin
Manuals
SONOFF TH Origin
Upgrade Retrofit Solution
for Smart Temperature and Humidity Control
Within 10 minutes, turns your traditional thermostat into smart, automates your irrigation system, and gives you an easy way to monitor the temperature and humidity.
You Safety, Our Responsibility
Own Factory, Strict Control Quality
Strictly selects UL safety components and RoHS environmental protection materials to design the products.
V0 Class Flame-Retardant Shell
The high-grade flame-retardant shell material is used.
Varistor, Absorb Peak Voltage
Cut off high voltage generated by a lightning strike or unstable power supply when thundering.
Different Sensors for Different Scenes
The sensor connector is upgraded to RJ9 4P4C , supporting hot plugging making the connection more stable and reliable.


Temp & Humi Sensor
Monitoring environment temperature and humidity to take good care of baby.

Waterproof Temp Sensor
Monitoring the water temperature to take good care of goldfish.

Soil Moisture Sensor
Monitoring the soil moisture to take good care of plant growth.
More Compatible
20A Max
Support to connect high load equipment like electric floor heating.

Reliable Temp & Humi Control
TH supports LAN control, Wi-Fi disconnected will not affect the operation of your device.
6-month Temp & Humi History Data
Support to review the temp & humi history data by hour, day and month. Past 6-month history data can be exported in .xlsx format and accurate to hour.
Timely Notifications
TH keeps monitoring the temperature and humidity in real time, once they reach your preset threshold or the device’s on/off state changes, you will receive the Push notification on the phone.
Scene Automation
Use with other smart devices to achieve automation.

eWeLink Web Control
More convinent to view and control multiple devices on web page.

Support IFTTT
Support to add to IFTTT to achieve automation with other brands’ devices.
*Above functions are only available to eWeLink VIP.
Add to Home Assistant
Add SONOFF devices to Home Assistant
for control and automation through
eWeLink add-on.
Voice Control
Wide Application Scenes
More Features
