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SONOFF TH16 - Temperature and Humidity Monitoring WiFi Smart Switch

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Product Description


The Sonoff TH16 is a WiFi enabled smart 16A relay switch which can monitor temperature and humidity through the iOS/Android APP eWeLink.

With the latest eWeLink mobile application, customers can create a series of simple conditional statement (Smart Scene). This means users can use the Sonoff TH16 with the AM2301 and DS18B20 sensors (sold separately) to collect temperature/humidity data, which can be shared to some ITEAD smart home devices, such as Sonoff, Sonoff RF, Sonoff SV, smart socket etcetera. Thus, other devices set up a temperature/humidity condition to turn on/off connected appliances. This device works perfectly with electric fan, air conditioner, humidifier, smart fish tank, watering system and many other appliances.

The pluggable sensors are sold separately here:

 SONOFF TH Sensor - AM2301
 SONOFF TH Sensor - DS18B20

Hackable for Advanced Users

The SONOFF devices are based on the ESP8266 processor that is supported by the Arduino IDE. In order to reprogram the ESP8266 a USB-Serial converter is required. There are now many projects and tutorials that show how the re-write the firmware.

One firmware that is very flexible and has good support is the Sonoff-Tasmota project.



Useful Links:

User Manual for Sonoff TH WiFi Wireless Switch


  • Input voltage: 90~ 250V AC 
  • Input current: Max 16A 
  • Power: 3500W(16A)
  • Supports fast configure SSID and password connection through EweLink
  • Supports automatic connect to server, register and update status info.
  • Supports tracking device status and timely remote control through EweLink
  • Supports  countdown, single and repeat  timing tasks
  • Support real-time temperature and humidity display
  • Supports 3 temperature and humidity sensors (AM2301, DS18B20)
  • Supports presetting temperature and humidity to turn on/off
  • Support group management, smart scene

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