Temperature measurement range: -10-60 ()Humidity measurement accuracy: 5% (RH)Temperature measurement accuracy: 0.5 ()Humidity measurement range: 0%RH~99% (RH)FunctionHigh temperature and low temperature alarm: When the set temperature value is exceeded, the phone will sound an alarmVoice control Works with third-party smart speakers Supports asking indoor temperature and humidity through voice commands through Alexa speakers.Temperature unit switching You can switch between Celsius and Fahrenheit temperature units in the settings, and then press the reset button once, and the temperature unit will switch.Smart connection WiFi temperature and humidity sensor can be connected with other smart devices in the home to improve indoor heating and cooling, making your home more comfortable.Multiple installation methods: can be placed directly on the desktop or stuck on the wall. No data cable is required, which is more convenient and more beautifulWe strive to provide you with excellent customer service. No matter what problems you encounter, our professional team will try their best to solve them for you to ensure that you have a pleasant shopping experience.