【Temperature Measurement】 You can measure the water temperature with the DS18B20 waterproof temperature sensor. Preset a temperature range on the app, when the temperature reaches the preset range, TH Elite WiFi smart switch can automatically turn on/off. 【16A Max & Dry Contact Output】 Support to connect a high load of 16A Max, dry contact output. 【Temperature/Humidity Historical Query】 In addition to viewing the real-time temperature on the LCD screen. It also supports viewing historical data "temperature/humidity" by hour, day and month. The historical data of the last 6 months can be exported to .xlsx format with hourly accuracy. 【Local Automatic Control】 Support LAN control, automatic control is more reliable. You can set 8 automatic control programs to help you save electricity bills and create a comfortable environment. 【Voice Control & Query】TH Elite WiFi Switch is compatible with Alexa, Google Assistant, you can query the temperature and humidity values by your voice. Note: