Sonoff TH Elite 20AMP Temp and humidity switch

Sonoff TH Elite 20AMP, Dry Contact and LCD Screen(Sensors sold separately).

Smart Geyser Switch (For geysers less than 200 Liters)

Sonoff TH Elite (the upgraded version of Sonoff TH16) is a Smart Temperature and Humidity monitoring switch with an LCD screen.

TH Elite monitors temperature and humidity in real-time, thus once they reach your preset threshold or the device’s on/off state changes, you can receive a push notification on your phone.
Furthermore the TH Elite stores 6-Months of Temp & Humidity historical data, accurate to the hour.
Additionally the Smart scenes supports setting triggers with Temperature, Humidity, On, Off and thus supports execution actions with On, Off, Invert.
Furthermore support adding Sonoff devices to Home Assistant for control and automation through eWeLink add-on.
TH Elite turns your traditional thermostat into smart and thus gives you an easy way to monitor the temperature and humidity.

We upgraded the sensor connector to RJ9, enabling hot-plugging and improving the connection’s stability and reliability

The RL560 sensor extension cable can connect the Sonoff temperature and humidity sensors to extend your device’s distance.
THS01, DS18B20 can be extended to 60M, and MS01 Soil Moisture Sensor can be extended to 10M.



  • 20A Max & Dry Contact Output- Support to connect 20A Max high load, dry contact output.
  • LCD Screen- Real-time monitoring of temperature and humidity data, the screen refreshes every 5 seconds.
  • 6-Month Temp & Humidity Historical Data by Hours- Support to review the temp & hum history data by hour, day and month. Past 6-month history data can be exported in .xlsx format and accurate to hour.
  • Local Automatic Control- Support LAN control, automatic control is more reliable. You can set 8 automatic control programs for you to save electricity bills and create comfortable surroundings.
  • Voice Control and Query- Work with Alexa, Google Assistant, you can query temperature and humidity values by your voice.

**Please Update THR3 Devices Before using the sensors**

*Cable tips must be crimped onto electrical lugs before being inserted into the device.


NRCS and Icasa approved

NRCS Certificate number: RCC #2112092

nrcs qisystems


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  • Sonoff TH Elite 20AMP
  • Model: THR320D
  • THR320D Input/Output: 100-240V~50/60Hz 20A Max
  • Dry contact: 5-30V, 1A Max
  • Casing material: PC V0
  • Wi-Fi: IEEE 802.11 b/g/n 2.4GHz
  • Color: White
Weight1 kg
Dimensions1 × 1 × 1 cm




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