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【20A Max Load with Dry Contact Output – Industrial & HVAC Ready】Supports up to 20A high load, and with dry contact output, making it ideal for controlling boilers, HVAC systems, industrial relays, and other non-voltage input equipment. Reliable performance for both residential and commercial automation.
【Built-in LCD Display – Real-Time Temp & Humidity Monitoring】Equipped with a clear LCD screen, it shows real-time temperature and humidity, updating every 5 seconds. Always stay informed of your environment without opening the app.
【6-Month Temperature & Humidity History – Hourly Accuracy, Exportable】Stores temperature and humidity data for up to 6 months, viewable by hour, day, or month. Data can be exported in .xlsx format for home comfort analysis.
【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 & Real-Time Query – Alexa, Google Assistant Supported】Use simple voice commands to query temperature or humidity, or to control connected appliances. Works seamlessly with Amazon Alexa and Google Assistant for hands-free smart home control.
Technical details, troubleshooting or setup tips? Access the TH Elite knowledge center for all the info you need.

Specs & User Manual
SONOFF TH Elite is a smart temperature and humidity monitoring switch with a 20A dry contact output, ideal for HVAC, boilers, and industrial systems. It features a clear LCD screen for real-time data, stores 6-month history with exportable .xlsx files, and supports up to 8 smart schedules. With Alexa and Google Assistant integration, it brings precise, voice-controlled climate automation to your smart home.
User Manual (PDF)THR316D/THR320D
100-240V~ 50/60Hz 16A Max
100-240V~50/60Hz 20A Max
ESP32
IEEE 802.11 b/g/n 2.4GHz
5-30V, 1A Max
5%-95%RH,non-condensing
-10°C~40°C (14℉~104℉)
THS01, DS18B20, MS01
TUV/CE/UKCA/WWA/FCC/RoHS/SRRC
WPA/WPA2
PC V0
98x54x31mm