Smart WiFi temperature and humidity monitoring switch Sonoff THR316D TH EliteSmart temperature and humidity monitoring switch Sonoff THR316D TH Elite The Sonoff THR316D is a 20 A relay that will find its use in indoor swimming pools, wineries or terrariums. It will also work well for home heating, irrigation systems or greenhouses. The product works with temperature and humidity sensors. You can also create schedules from the app and use Auto mode. Compatible Sonoff relay supports devices with high power consumption, for