- Sonoff TH Elite 16 AMP, Dry Contact and LCD Screen. (Sensors sold separately) Sonoff TH Elite (the upgraded version of Sonoff TH16) is a Smart Temperature and Humidity monitoring switch based on ESP32 with an LCD screen. TH Elite monitors temperature and humidity in real time. Once they reach your preset threshold or the device’s on/off state changes, you can receive a push notification on your phone. However the TH Elite stores 6-Months of Temp & Humidity historical data, accurate to the hour. However smart scenes support setting triggers with Temperature, Humidity, On, Off and support execution actions with On, Off, and Invert. Support adding Sonoff devices to Home Assistant for control and automation through eWeLink add-on. Additionally the TH Elite turns your traditional thermostat into smart and gives you an easy way to monitor the temperature and humidity. We upgraded the sensor connector to RJ9, which now supports hot-plugging, ensuring a more stable and reliable connection. The RL560 sensor extension cable can connect the Sonoff temperature and humidity sensors to extend your device’s distance. Additionally THS01, DS18B20 can be extended to 60M, and MS01 Soil Moisture Sensor can be extended to 10M.