Temperature measurement range: -10-60 (C) Humidity measurement accuracy: 5% (RH) Temperature measurement accuracy: 0.5 (C) Humidity measurement range: 0% RH~99% (RH) Functions High temperature and low temperature alarm: When the set temperature value is exceeded, the phone will give an alarm< /p> voice control Works with third-party smart speakers Support to ask indoor temperature and humidity via voice commands through Alexa speaker. Temperature unit switch You can switch the temperature unit between Celsius and Fahrenheit in the setting, then press the reset button once , the temperature device switches. Intelligent connection The WiFi temperature and humidity sensor can be connected with other smart devices in the house to improve indoor heating and cooling, and make your home more comfortable. More installation methods: can be placed directly on the table or glued to the wall. Without data cable, it is more convenient and beautiful